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By Dave Zeldon and Ely Schweyer

Got cabin fever? Perhaps you’re going a little stir crazy looking out the window and seeing the drab, limited pallete in your seemingly lifeless outdoor space. It’s important to embrace this time of year as the composting and cleansing part of Earth’s cycle before spring’s renewal – but that doesn’t mean we should be trapped inside forever. Here’s a winter/early spring list of activities, divided by indoor (Part 1) and outdoor (Part 2), for the gardener and yard keeper.

☝️ First, let’s quickly note the important activity happening under the snow – and how your actions now will affect the summer garden!

What's Going on Outside When We Aren't Paying Attention?

Before heading out to attend to these jobs have a look at the ground beneath you.

   If it is frozen hard you are good to go but avoid treading on the crowns of perennials.

   If it has been warm and sunny and the soil is warm and dry, consider laying down a few planks to walk on.

   If the soil is soggy then postpone those tasks until it has dried. What we are trying to protect is not your shoes but the soil itself.

   Ideally, soil is comprised of 50% solid materials such as minerals and organic matter in various stages of decomposition, and 50% open air space. Water from rain or melting snow enters the soil, displacing the air. Wet soil is easier to squish down and that process is called compaction.

   While walking on wet soil would not seem to have much effect, it occurs within the depth where annuals, perennials and lawn grasses have their roots. Compaction makes it harder for roots to grow through the soil. Roots can grow stronger to push aside the soil particles, but tougher roots are less effective at drawing in nutrients and moisture. Removing air spaces makes it more difficult for water to percolate down so compacted soils remain wetter. Plants don’t grow as well and are more prone to insect damage.

   The freeze/thaw cycles of fall, spring, and winter heave the soil relieving compaction and aerating the soil; a good way to start the growing season. Preventing further damage to the soil is relatively simple. Stay off it when it’s wet. Later, consider using pavers or pathways in heavily travelled areas of the lawn. Aerate the lawn with a machine that removes small plugs of soil and redistributes them over the surface. In beds and borders, add compost and use a thick mulch layer to absorb some of the pressure.

 And stay off it when it’s wet.

With this in mind, we can appreciate Earth’s renewal capabilities, as well as prevent destroying our yards and gardens!

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Part 1: Activities for When it’s too Cold and the Soil isn’t Ready Yet

Yup, it’s bleak out there. It’s time we make that herbal tea and turn our attention to creating a lively, green indoor environment, even if just to get us through the winter. Here’s a to-do list for trapped gardeners and plant enthusiasts to make the most of our wintry sentence.

Indoors: Get Inspired!

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Indoors: Thinking Ahead!

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Indoors: New Beginnings!

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Part 2: When the Soil IS Ready!

Suit up!

Outdoors: Don’t Fall Behind!

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Outdoors: Get Inspired!

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Outdoors: Thinking Ahead!

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Outdoors: Start Something New!

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We hope these suggestions help you stay green this spring and winter! For more gardening activities, see our other blogs here. We hope to see you this spring (March 5th, 2026) at Eising Greenhouses and Garden Centre! 🌱❄️

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!

Cool Weather Vegetables

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.

Cold-Tolerant Flowers

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.

Perennials, Trees and Shrubs

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.

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