By Ava Green
Tall, stately, and undeniably dramatic, the Delphinium or Larkspur is one of those perennial plants that stops people in their tracks. When given the right conditions, its towering floral spikes are magnificent. For gardeners who love a classic English border, nothing else compares. Yes, Delphiniums have lots of preferences, but tend to them, and they will reward you with a floral display that makes every bit of effort worthwhile.
With a wide number of varieties to choose from, there’s one that’s sure to fit every garden. Heights range from a modest 36 inches to an impressive 72 inches tall (Yes, 6 feet!), with a spread of 24 to 36 inches depending on the variety. So whether you have a compact border or a large sweeping bed, there’s a Delphinium to suit your space.
Their colour palette is equally diverse: rich blues and purples, soft pinks, crisp whites, and beautiful bicolours. Few flowers offer such a wide range.

While Delphiniums prefer abundant moisture, be sure to plant the crown of the plant (where the stems meet the root ball) at soil level to avoid crown rot. Planting them too deeply is the most common way to lose these plants.
Spring and Fall are the ideal times to plant, giving roots a chance to establish themselves in cooler, more forgiving conditions. That said, a cool, overcast summer day works well too, just avoid planting during hot or humid spells. Spacing will depend on the variety you choose, so check the tag and give each plant the room it needs to breathe.
Delphiniums are what gardeners affectionately call “Goldilocks plants”, they like things just right. Full sun, protection from strong winds, and fertile, humus-rich soil with excellent drainage are keys to success. They also love manure mixed into the soil to enrich their growing conditions.
Their height is both their greatest asset and vulnerability. Because Delphinium flower stalks have hollow centres, they break easily if they’re exposed to the wind. Planting them in a sheltered spot is genuinely important. Once plants reach about 12 inches tall, stake each flower spike individually, or place a tomato cage around a clump early in the season before it’s needed. It’s much easier to stake proactively than to rescue a snapped stem after the fact.

Delphiniums are hungry plants and will perform best when fed generously. A dose of fertilizer, compost, or well-rotted manure in both spring and summer keeps them healthy and productive throughout the season.
Finally, don’t overlook dividing. Each spring, simply dig up the plant and cut the root ball in half. Now you have two plants for your border, or one to keep and one to share!
All that care pays off in late spring and early summer, when Delphiniums put on one of the most spectacular displays in the garden. Tall, densely packed spikes covered in richly coloured blooms rise above the border like beacons. Bold, beautiful, and completely unforgettable.
Once the first flush of flowers begins to fade, and before the blooms turn to seed pods, cut the spent spikes back to just above the foliage. This encourages the plant to produce a second, smaller flush of blooms later in the season and extends the show! As the old foliage fades, trim it away to allow the fresh new growth to replace it.

There are plants you fit into a garden, and then there are plants you plan a garden around. Delphiniums belong firmly in the second category. Their height, colour, and presence make them one of the most inspiring and rewarding perennials a gardener can grow.
Stop by Eising Garden Centre to see what Delphinium varieties we have available this season. Our team is always happy to help you find the right fit for your garden and set you up for success.

By Ava Green
As soon as warm weather and sunshine arrive in Southern Ontario, it’s time to head to the garden centre and pick up all the plants we’ve been dreaming about all winter long! May 24th is generally the date we look forward to — the unofficial marker when frosty mornings are behind us and the promise of summer is ahead.
By now, cool-weather plants like cabbage, Brussels sprouts, peas, and lettuce should be well established in the vegetable garden. And for everything else, it’s go time!
TIP: Before you start planting, this is the ideal time to amend your soil. Top up your garden beds with fresh topsoil or enrich them with compost to improve soil health, add nutrients, and promote vigorous plant growth. Don’t forget to refresh the soil in your containers as well, with potting mix or compost.
When soil temperatures are consistently 60°F (15°C) or higher, it’s safe to plant all the warm-weather vegetable crops we’ve been waiting for! Plants that thrive in warmer weather include tomatoes, peppers, eggplants, cucumbers, zucchini and corn.
At Eising Garden Centre, you’ll find vegetables in 6-packs, 4” pots, trellised patio containers, patio bowls and hanging baskets - while supplies last, of course!



Herbs also love warm weather, and tender varieties like basil are safe to plant once all danger of frost has passed. Whether you plant herbs directly into the ground or create a potted herb garden near the kitchen door, they’ll add fresh flavour to your meals all season long. A container of herbs also makes a wonderful gift when visiting friends and family for a summer BBQ.
While you’re in the vegetable and herb aisle, keep an eye out for everbearing strawberries in planters and containers of tropical fruits like lemons, limes, and oranges.
Winter-weary flower beds can be revived almost instantly with a burst of colourful annuals! If you’re looking for an immediate impact and blooms that last all summer long, annual flowers are the answer.



Whether you plant them in beds, containers, window boxes, or hanging baskets — or choose from one of our gorgeous pre-planted options — just add water and fertilizer, and you’ll be rewarded with a vibrant display that keeps on giving.
While perennials may not bloom all summer, many offer extended bloom periods, and by combining different varieties, you can create a succession of flowers that lasts for months. Perennials also provide essential greenery to anchor your garden and enhance the look of your flowering plants.



You can plant perennials from spring through fall, but getting them into the ground now gives them a strong start. From hostas and ornamental grasses to daisies and delphiniums, there’s a perennial for every style of garden — and the best part is, they’ll return each spring like dependable old friends.
Often called “the bones” of the garden, trees, shrubs, and climbing vines add essential structure, height, and seasonal interest. Planting them now allows you to design your garden layers thoughtfully, incorporating annuals and perennials around their base.



Spring is also the prime time to purchase and plant fruit trees and fruiting shrubs. At Eising, spring offers the best selection for starting your home orchard. Are you thinking of adding a few edible shrubs? Gooseberries, haskaps, hardy kiwi, rhubarb and raspberries are excellent choices.
Okay, it’s not a plant, but this is a reminder to add mulch to your garden beds or containers. After planting, adding a layer of mulch to your garden beds or containers helps retain soil moisture, reduces transplant shock, and suppresses weeds. Even if a few weeds manage to sneak through, mulch makes them easier to pull.
If you have a garden pond, spring is the perfect time to add water plants. Floating plants, such as water hyacinths and water lilies, help shade the pond’s surface, reducing algae blooms. Marginal or bog plants, such as water iris, papyrus, and cattails, also help keep the water healthy and clear by improving oxygen levels and providing habitats for beneficial wildlife.



May is one of the most anticipated and exciting months in the garden. Whether you’re dreaming of fresh vegetables, a lush landscape, or a colourful flower display, planting now sets the stage for a beautiful, bountiful season. Visit us at Eising Garden Centre to find everything you need — and let’s get growing!
Adding Year-Round Interest to Your Garden
By Ava Green
Spring brings excitement and the hope of fresh beginnings, but also the harsh reality that our gardens can look a little…well…blah, in between seasons. Even when you have evergreens, well shaped trees, shrubs or perennials with “good bones” (strong framework or structure) a garden can look bare off season. This is when garden features and ornaments can really make a dramatic difference!

Do you have a spot in the garden where plants struggle to grow? Or an area where you feel like your garden is missing something?
Items like benches, patios, ornamental urns, decorative fencing, statues, a pond, gazing balls, birdhouses and birdbaths add beauty and function in every season. In Southern Ontario’s long shoulder seasons (early spring, late fall, and the longest of all - winter) these permanent elements help to make your garden look inviting all year.

A garden filled with colourful annuals and perennials can be stunning, but without a focal point, it can feel visually overwhelming. A garden focal point like a bench, statement urn, a piece of statuary, or a water feature draws your attention, and creates a sense of purpose.
Focal points guide movement through the garden and help tell a story, leading visitors toward a destination. While naturalized gardens and wildflower areas don’t always require structure, for gardeners who prefer a more organized look, incorporating a focal point can create a sense of order and transform your space.

Many gardeners naturally gravitate toward favourite plant forms. Tall, spiky perennials like coneflowers, salvia, and Black-eyed Susan are popular in Ontario gardens but they can feel repetitive when planted together.
Introducing contrast changes everything. A round birdbath nestled among upright perennials adds softness and contrast making it more visually interesting. In shady gardens dominated by hostas, a tall iron obelisk or trellis creates height and drama. Mixing plant textures with garden features like lighting instantly elevates beds and borders.

Gardening is a creative process, and experimentation is part of the joy. Moving plants to find the right light or shelter often leads to surprising combinations and successes. Garden features allow you to express that creativity even further.
Statuary, ornaments, and structures, whether handcrafted or purchased, add personality and meaning. From whimsical accents to bold architectural elements, these features bring height, structure, and style to your garden in ways plants alone can’t.
Flowers bloom and fade with the seasons here in Southern Ontario. Garden features provide continuity, offering year-round interest, structure, and charm. With just a few additional elements, your garden can look beautiful in every season, not just when it’s in bloom.

By Ava Green
The Eising Holiday Gift Guide has become a popular tradition, and this year, I asked staff members to share their favourite gifts. We have some great picks to brighten anyone’s holidays: family, friends, teachers, hosts/hostesses, the cat sitter, the dog sitter - anyone you would like to wish a Merry Christmas to!



What looks good every year? Everlasting decorations! Kirsten’s favourites are natural wreaths with just a bit of an embellishment. Elegant, timeless and oh-so-festive!
An ornament from our Giving Tree is Arlene’s choice because she can gift the beautiful glass cardinal, and the proceeds go to the local toy drive. Now that’s a gift that keeps on giving!


We also have lots of beautiful everlasting garlands, and Lindsey’s favourites: holiday-themed decorative containers to choose from. These festive plant pots transform any houseplant into a Christmasy gift or are perfect for holding other treasures if you’re creating a gift basket.



There’s an entire team of decorators, no…creators, no….elves, no…very talented staff members who spend the holiday season making the most beautiful urns, planters, and fresh greenery centrepieces. Donna and I are holding two of our favourites. Mary stopped making festive urns just long enough for this photo to be taken! She really pours her heart into it.



As always, Courtney has a phenomenal selection of tropical plants to choose from. Do not ask her which one is her favourite. Trust me. Too many to count.
Ely is hoping for some gardening tools under the tree this year, and what gardener couldn’t use an array of trowels?!
Lori is ready for a party with her favourite hostess gifts - Amaryllis bulbs. Apparently, the Grinch likes plants, too. Who knew? Cindy Lou Who, possibly, and Lori.

Donna is wearing and holding some of her favourite clothes, jewelry, accessories, and products from Sassyfras Boutique inside Eising Greenhouse. Yes, she has many favourites. In her defence, who can pick just one thing from Sassyfras?! Not us.

Finally, this is THE most flexible item in the guide, our Eisings gift card. It can also be the perfect solution for the person who has everything already and is hard to buy for. Why is this Lucas’s favourite? Eising gift cards can be used for plants, landscaping, trees, shrubs, perennials, annuals, seeds, tropicals, decor, pots, garden tools, and any other items sold in the greenhouse. And that’s not all! Gift cards can also be used for anything in Sassyfras Boutique. So many options!

During this season of abundance, Henry and all of us at Eisings hope you get all of your favourite things, but mostly we wish you a safe and happy holiday season! ✨
By: Dave Zeldon and Ely Schweyer
Sometimes homeowners find that their newly planted trees start showing signs of stress and become unthrifty a little while after planting, and soon their investment is altogether lost when the plant just dies. Often when we’re asked to inspect a tree in poor health, we know what to suspect.


Although not readily apparent at the time of installation, the long-term effects of improperly placing the root system in the planting hole are substantial. The poor tree health that results manifests itself as reduced growth rate, atypical leaf size and colour, and increased disease susceptibility. Trees in really poor condition exhibit decay, cracks, and excessive deadwood. Sometimes trees show signs of stress within the first year of planting, but it usually takes several years for the problem to rear its ugly head.
The most common reason? Many trees are simply buried too deeply causing the tree roots to decline in health, as they cannot get the vital oxygen from the air that they require to live.

The width of the hole your tree will call home should be at least two times the diameter of the root ball, container, or in the case of bare root trees, the spread of the roots. This will provide the tree with enough worked earth for its root structure to establish itself.
For tree roots to grow vigorously, they require water, oxygen, and warmth. An oxygen level of 25% of the soil volume is considered good for root development.
At a 5% oxygen level, growth stops, and at 2%, roots decline and die.
Since tree roots naturally grow quite shallowly in the soil profile, buried root systems are unable to obtain adequate soil oxygen and water. As a survival response, trees work to get roots closer to the soil surface where there is a more reliable source of both. The energy that a newly transplanted tree should use to overcome normal transplant stress is instead used just to survive.
The tree expends its energy either by forcing its roots to grow upward or by creating totally new roots from dormant buds on the buried trunk, wasting all its prior growth. Some plants can survive being buried too deeply and live normal lives after developing a functional root system, others begin a long, slow decline of health resulting in either premature death or sudden failure during wind or ice storms. Let’s not risk it!

If you want your new tree to not only survive, but thrive, it needs the best start possible; it is very important that the root collar flare be visible after planting. The root collar is the part of a plant where the stem and root system meet, "flaring" where it transitions between the stem wood and the roots. Always make sure that the root collar flare is visible after planting. If settling occurs, reset the tree to the proper depth.
👉 Note: The backfilling soil should be a mixture of the original soil with composted manure or topsoil and bone meal.
It has been observed that many times after a perfect tree planting, the homeowner then decides to build a raised-bed garden around the tree (thus burying the root collar flare – we’ve found root collar flares buried to 24 inches in mulch!) only to find that within a year or two, their young tree is dead or dying.

A common practice, often referred to as ‘volcano mulching,’ also contributes to this problem. In addition to subjecting trees to the problems associated with planting too deeply, heat from the composting mulch can literally cook a tree's trunk.
The transplanting rules are amended if planting in the heavier clay soils where the practice of planting your new trees "proud" is advised. Planting proud essentially means that the root ball is left higher out of the ground level, producing a hilled effect. The soil that is normally used for back-filling is used to help to create a mound. Planting your trees this way in poorly draining clay soils prevents the ground water from collecting in an otherwise deep hole and drowning the roots of your new planting.
But, as a general rule, trees should be transplanted no deeper than the soil in which they were originally grown, and the soil level shouldn’t rise after planting. Two to three inches of wood chips is the optimum depth to mulch - and keep it an inch or two away from the trunk. If it is really desired to have the tree as a focal point in this newly built garden, then possibly a 3 foot well could be made around the tree to keep the root collar flare open to the air.
So, remember to give your tree a strong start and long life by not planting too deeply, but by leaving that root collar flare exposed! We hope these tips can help you encourage the longevity of your new tree. For more information - and trees - visit our Trees & Shrubs section at Eising Greenhouse and Garden Centre. We hope to see you soon!
By: Ava Green
Spring is the time of year known for new beginnings, and it’s also a very busy season in the garden as we hurry to get everything planted for the summer growing season here in Southern Ontario. But, did you know that fall is also an ideal time to get planting?
Similar to spring conditions, the cooler temperatures and more frequent rainfall make it easier for new plants to transition. This also decreases transplant stress. There’s time for roots to become established, and by springtime, you’ll be enjoying your plants instead of being busy planting them!
Don’t wait too long, though! At Eising Greenhouses, we recommend planting perennials, trees and shrubs before Thanksgiving weekend to give your new plants a little time to settle in before a hard frost arrives. A hard frost, or freeze, is when the temperature dips below zero for an extended period of time, killing tender plants.

Tulips, Daffodils, Hyacinths, Crocus, Fritillaria and Alliums are just some of the bulbs that need to be planted in the fall in order to enjoy their flowers in the spring. Tulips especially appreciate being planted in cooler weather, but all of these bulbs require a cold period of about 12 weeks in order to grow in the spring. Many bulbs can be planted right up until the ground freezes. But why wait?!
👉 TIPS: While Tulips can be tasty and tempting for squirrels, rabbits and deer, many bulbs like Alliums, Frittilaria and Daffodils are not so delectable. Tamping down the soil after planting your bulbs makes it more difficult for critters to sniff them out. Laying some chicken wire over the area can also help deter from your bulbs becoming a meal for a critter.
Be sure to choose an area to plant your bulbs in that does not stay wet so the bulbs don’t rot.

While some folks choose to plant garlic in the early spring, many people choose to plant it in the fall. Why not get started now? When you plant your garlic in autumn, you will have a crop that’s ready for harvest next summer.

Yes, you can still plant perennial flowers in the fall! Whether you’re purchasing new plants or moving plants around, autumn is a great time of year to do it.
It’s also a great time to divide and transplant spring and summer blooming perennials. Why divide your plants? It’s a great way to revitalize the plant and also to create new plants.
Whether you’re planting, dividing or transplanting perennials, it’s best to do it 4-6 weeks before the first hard frost so that they have time to become established in the soil. Perennial plants will be available for sale at Eising Greenhouses until Thanksgiving weekend, so don’t delay too much!

Container-grown or burlap-wrapped trees and shrubs can be planted as long as you can get a shovel in the ground! However, it’s a good idea to give them a few weeks in your garden before it freezes if you can.
It’s especially nice to see what a tree or shrub will look like in the fall before you plant it.

Autumn is the best time to plant and establish roots so your peony is ready to bloom in spring! Planting them 4-6 weeks before the first hard frost will help your plant become established before cold weather descends.
👉 TIP: Be sure to add mulch to trees, shrubs and perennials after planting. But keep the mulch away from the trunks or stems. It’s never a good idea to put decaying plant material right up against a living plant!
Come in and take a look at what’s available, then enjoy the cool fall weather for planting!
Resources: If you’re new to dividing perennials, here’s a handy helper - A Guide to Dividing Perennials by the Toronto Master Gardeners
By: Ava Green
One of the best things about living in southern Ontario is the beautiful show our deciduous trees and shrubs put on each fall.
Autumn is also the perfect time to plant trees, shrubs, and perennials. The sun is less intense, temperatures are slightly cooler, and with regular, deep watering, the plants are less prone to transplant shock, ensuring a successful planting.
As the leaves begin to change, they mark the arrival of autumn, a season full of colour and celebration. If fall is a special time of year for you, our staff have handpicked their favourite deciduous trees and shrubs with the most stunning seasonal displays. Here are their top recommendations.
Botanical Name: Acer x freemanii 'Jeffersred'


This tree is a cross between the fast-growing Silver Maple and the showy Red Maple - two very popular trees!
Autumn Blaze will provide a display of colour throughout autumn by starting earlier and lasting longer than most other trees. It’s large, with 5-inch leaves that begin by turning red at the top, then eventually shades of red and orange cascade down the length of the tree.
Even in the winter, this is a beautiful specimen because its shape is so symmetrical.
Botanical Name: Heptacodium miconioides

Considered a small tree or large shrub, Seven-Son Flower is popular for its year-round beauty!
Growing to a maximum of 6.1 metres (20 feet) tall and 3 metres (9.8 feet) wide, the leaves of this plant change from spring to summer, making it an interesting specimen plant in the garden.
The biggest attraction is the fragrant white blooms it produces late in summer, which are highly attractive to hummingbirds and other pollinators. As the blooms fall, they leave behind pink sepals, so it looks like it’s in bloom all over again!
Its unusual bark makes this tree beautiful year-round, but especially in the winter.
Botanical Name: Crataegus phaenopyrum


Leaves that turn vibrant shades of orange, purple or scarlet red in the fall are just part of the beauty of this small tree.
This is another specimen with year-round interest. In early spring, reddish-purple leaves emerge, which eventually turn dark green, followed by graceful white flowers. After its fall show, it produces bright red berries that last for most of the winter.
Maturing at 8 to 9 metres (25-30 feet) tall, Washington Hawthorn is also an important nectar plant for pollinators and provides food for birds in the winter.
Botanical Name: Berberis thunbergii



Depending on the type of Barberry these deciduous shrubs can grow ½ to 3 metres (1-10 feet) tall and have varied shapes and features as well. For example:
Botanical Name: Callicarpa 'NCCX2'


While many Beautyberry are showy in the fall, Pearl Glam is an upright, small shrub that has all-season interest. Its dark purple foliage emerges in the spring that lasts until frost.
In late summer it’s adorned with white flowers which attract butterflies and bees. After blooming it produces hundreds of beautiful violet-purple berries which last long after the leaves have fallen.
Botanical Name: Lagerstroemia 'Cherry Mocha'



Another small ornamental deciduous shrub with an upright growing habit, Cherry Mocha Crepe Myrtle has decorative appeal in every season.
Burgundy coloured stems with semi-glossy burgundy leaves makes this plant stand out. To add to that, new growth at the tips starts out glossy, deep red. If that’s not enough, in late summer and early fall, the blooms on this cultivar are large, cherry-red flowers which stand out from the burgundy foliage. Its flowers late in the season provide important food for bees. After flowering, green seed pods provide extra interest.
Note: Have you ever wondered why leaves on trees and shrubs change each fall? Here’s a simple explanation. During the long, sunny days of summer, trees and shrubs produce plenty of chlorophyll - the food needed to keep the leaves green. In autumn, as the days grow shorter and temperatures are cooler, there is less chlorophyll produced and the plant breaks down residual chemicals on the surface of the leaves which produces shades of red, orange and yellow.
A few years ago, I was walking through town with a friend as we discussed planting vegetables in our tiny front gardens. It seemed like an unusual idea until we spotted not one but two front gardens with pumpkin vines rambling amongst the shrubbery. What a novel way to cover the ground without mulch and have the bonus of showy, bright blossoms and bold foliage! Of course, this is eventually followed by the standout feature of brightly coloured pumpkins. It’s built-in fall decorating!
Right now, everyone is looking for ways to reduce grocery bills, and growing a few vegetables amongst the flowers and shrubs can make a big difference. If your garden is on a patio or balcony, there are lots of ways to add edible plants to maximize your space and beautify it at the same time. Who says vegetables can’t be ornamental and beautiful?!

If you have a new shrub and flower garden that has gaps or there’s a space in your garden where you’re not sure what to plant, consider tucking in a potted vegetable. In a cool, shady space, try some luscious lettuce bowls. Shade allows lettuce to grow more slowly in the heat of the summer. Keeping lettuce in a cool, shady spot will prevent it from bolting and becoming bitter.
If you have a small garden, a patio or a balcony, pots with compact varieties and hanging baskets are a terrific alternative for growing vegetables, herbs, and some fruits. These are some of the options we offer at Eising Garden Centre (based on availability) that can be purchased fully planted, or you can grow your own from seed if you have time, space and lights.
For patios, balconies, or even a gap in the garden, there are lots of vegetables that can be grown in a trellised planter.
Tomatoes, peppers, cucumbers and eggplant all love warm soil and growing in pots provides the heat to help them thrive. Eising trellis pots are planted with specific varieties that are smaller but pack a flavourful punch.


Sweet Snackabelle, Candycane Chocolate Cherry or Red, Mocha Swirl and Fresh Bites peppers.

Little Sicily, Patio Hybrid, Candyland Red, Rapunzel and Tidy Treats tomatoes.
Eising Greenhouse also carries eggplants in trellised pots - a patio pot with Patio Baby eggplants is a perfect choice if ratatouille is on the menu!
All of Eising's trellised planters would look lovely plopped into one of our decorative outdoor cover pots!

Many herbs thrive in a sunny and warm spot with well-drained soil, making a pot the perfect container for them. Herbs also make great companion plants with other vegetables and can be tucked into other pots. Most herbs also love to be harvested frequently, especially when they’re given these ideal conditions.

Lettuce bowls are a great way to grow greens in small spaces. Our 10” bowls are chock full of a variety of lettuces and are never boring!
👍Tip: Try the “cut and come again” method for harvesting lettuce, which prolongs the plant’s life. Simply pinch off the outer, mature leaves each time you pick the lettuce and leave the centre of the plant to keep growing.
If there’s a spot to hang a basket or place a shepherd’s hook, you will want to grow one of the edible options we offer.

Topsy Tom tomatoes.

Pot-a-Peno and Peppers From Heaven peppers.
Tomatoes, peppers, and strawberries are all available in hanging baskets. Our deliciously sweet everbearing strawberries are also available in 4.5" pots and bareroot, which are great options for window boxes.
👍Tip: Pick strawberries as they ripen to encourage your plants to produce more. Also, remove runners as they grow to allow your plants to send energy into growing fruit instead of bigger plants. Painting rocks to look like strawberries is said to deter birds from feasting on ripe berries.
Consider growing a beautiful and fragrant lemon, orange, fig or grapefruit tree in a patio pot. Just keep in mind that it will need to come indoors in the fall.



Whether you’re growing edible plants in the garden, a pot or a hanging basket, don’t forget to give them the care they need to maximize productivity:
Once you start foodscaping by including vegetables with your flowers and ornamental plants we’re sure you’ll want to keep looking for innovative ways to grow your own food! Who knows, maybe even pumpkins by the front porch!
While many gardeners in Southern Ontario follow the popular planting date of May 24th, when we’re usually safe from frost, you may be surprised to know that April is not too early for certain plants!
Once the ground has thawed and is workable, there’s plenty you can start growing. In Zones 6a-6b, this usually happens around four weeks before May 24th. While frost is still a possibility, many cold-tolerant plants not only survive a light frost but thrive in cooler weather. To check if the soil is ready, simply dig up a handful and squeeze it. If it sticks together, it’s too wet to work with—wait a few more days for it to dry out. Once the soil is ready, it’s time to plant those cool-weather crops!



Radishes: Radishes are fast-growing and perfect for planting in April because they love cooler weather. Sow them directly from seed.
Peas: April is the perfect time to plant peas outdoors as soon as the soil is workable. Soak pea seeds in water for 8-10 hours before planting them to help germination.
Lettuce, Spinach, Arugula, Asian Greens (Tatsoi, Mizuna, Pak Choi and Leaf Mustard) : It’s best to sow seeds for leafy greens or plant seedlings early in the spring as they will grow quickly in cool weather. Plant more seeds or seedlings every 10-14 days for a succession of greens until hotter temperatures make them bolt (go to seed) and become bitter.
Potatoes: Seed potatoes can be planted in mid to late April as soon as the soil is workable.
Onions: Plant onion sets or seedlings that have already been started in early spring and enjoy a harvest in late summer or fall.
Carrots: Plant carrot seeds in April, and they will be ready for harvest later in the spring or early summer. They take a little longer to grow, but planting early gives you a head start. You will enjoy carrots all summer long by planting more seeds a few weeks later.
Tip: It’s a good idea to keep some frost protection like row cover handy for lettuce, peas and spinach just in case the temperatures dip below zero.
Bonus: Many garden pests, like earwigs and slugs, are still overwintering in April and won’t feast on your tender plants.



Pansies: Add a pot of Pansies to cheer up a front porch, and it instantly feels like spring! Plants can go into a sunny spot in the ground when temperatures reach 7-21 celsius and are regularly staying above freezing.
Violas: These cool-weather flowers can withstand light frosts and are perfect for containers or for planting in garden beds
Gladiolas: Even though the weather is still cool, this resilient summer-blooming bulb can be planted in a sunny area of the garden in April.
Bonus: Pansies and Violas also love cool weather in the fall.



Two to three weeks before the threat of frost has passed, many potted perennials, shrubs and trees, either dormant or with leaves, can be planted. (If you’re not purchasing from us, be sure to check whether the plants were grown outdoors or acclimated to cooler temperatures and ensure they’re hardy enough for Southern Ontario.)
While perennials, trees, and shrubs can be planted throughout spring, summer, or fall, the combination of warming soil and increased rainfall in spring creates the perfect conditions for successful transplanting.
Come into Eising Garden Centre to see the many seeds and plants available for you to add to your garden in April!
Additional Resource: Landscape Ontario provides an excellent online Tree Planting Guide.
Pruning is an essential part of gardening. Essential, but a little intimidating at first because it’s a broad subject. That said, there are some basic rules that apply to most trees and shrubs that will get you started.
There are a number of reasons to prune; the most obvious is for safety, to keep a branch from doing damage or harm by falling or rubbing against something like a building or another tree. Other important reasons include:
Correctly pruning trees and shrubs can help with everything listed above and, most importantly, help maintain the health of your plants. Proper techniques and timing ensure the best results.
You may need fewer tools to prune than you think!
Secateurs or hand pruners work well on smaller branches.
Loppers or lopping shears have longer handles for more leverage and are ideal for medium-sized branches.
A pruning saw works best for larger branches.
Electric or manual hedge shears are best for cutting a tidy wall of foliage like hedges and shaped evergreens.

The key with garden tools is to make sure they’re sharp and sterile. This can prevent the spread of disease. Clean tool blades with rubbing alcohol after trimming each branch.
Pruning timing requires some research as it depends on the species of the plant and the result you’re aiming to achieve. For example, some trees may be best pruned in the winter while they’re dormant and buds have not yet appeared. To shape a tree, it’s easier to prune before the leaves have formed so that all of the branches can clearly be seen. Pruning early in the gardening season will invigorate the tree. Conversely, pruning after the tree has formed leaves in June will tend to slow down growth.

When pruning flowering trees and bushes, there are other timing considerations. Some ornamentals bloom on branches that grew the previous year. Pruning those branches too early will result in fewer or no blooms. For these plants, it’s best to wait until after they have bloomed.
If you’re unsure about pruning timing for your tree or shrub, this is a fairly comprehensive list to use as a guide. We have also linked other resources below this article.
In general, late fall or early winter is not the time to prune any plant as it encourages new growth, which may be damaged by colder weather.
While some trees may require specific care (pines, for example), here are the basic techniques for pruning trees and shrubs. It’s a good idea to know these basics before you head out to begin cutting branches.
Examine the branch, buds and shoots before cutting. Cutting above a bud facing away from the trunk of the tree will have the branch continue to grow in that direction.

Cut on a 45° angle just above a bud whenever possible. Keep your cut above the lowest bud (the bud closest to the trunk), or the branch will die back.
Before removing a large branch, cut ⅔ off the end of the length to reduce the weight. Once the bulk of the branch has been removed, then cut the rest of the branch away from the trunk by cutting close to, but not into, the “collar” of the branch where it meets the trunk of the tree.

Now that you know the techniques for pruning, where do you begin? Here’s a logical set of steps to follow:
1 - Remove any dead or diseased wood
2 - Remove any branches that are crossing and rubbing together. For a shrub that’s too crowded, remove the thickest branches down to the ground first
3 - Remove water sprouts
4 - Stand back and observe the shape of the tree. If anything is not pleasing about the look (lopsided growth or branches growing too close together or at a sharp angle to the trunk, for example), begin removing or trimming back one unsightly branch at a time. Observing the shape between each cut
5 - Remove any suckers or stubs

Once you start, pruning can be fun, but be careful not to get too carried away. Trim up to ⅓ off of an established plant (not a newly transplanted tree or shrub) in one growing season - maximum. Cutting off too much can stress the plant and impact its overall health.
Lastly, know that you can always hire a certified arborist if the task is too much or the tree is simply too large!
Other Resources:
