How To Keep Your Orchid Alive

By Ava Green

Orchids have become very popular gifts, and a great hobby for indoor plant enthusiasts who discover the wide range of colours and shapes available. Orchids are also loved for their long-lasting and exotic blooms.

While some may choose to only enjoy these tropical plants as long as they’re blooming, orchid-lovers look forward to nurturing the plant and encouraging it to flower regularly. It may be a little daunting at first, but once orchids grace you with their stunningly beautiful blossoms, you will find that a little bit of care is very worthwhile!

It’s estimated that there are 25,000 different species of orchids and over 100,000 hybrids! The ones you’ll find most readily in Ontario stores are Phalaenopsis or moth orchid, because it’s fairly easy to grow. Phalaenopsis are the best choice for beginners.

Other orchids you may find easily are Cattleyas (Corsage Orchids), Cymbidiums (Boat Orchids) and Dendrobium orchids.

While all of these may be orchids, they don’t necessarily require the same care, so it’s a good idea to check the tag for the type you have and its specific care requirements. The following is a general guide to light, water, fertilizer, and growing medium for the most commonly found orchids, but it does not apply to all breeds.

Light and Air

For most orchids, light, and lots of it, is the general rule. Place your plants within 3 feet of a window (not to the side) in the sun. South, east, and west-facing windows are all fine for maximizing the light your plant receives.

Orchids also enjoy a breeze or circulating air in your house. They do not like temperature extremes, though 15 to 20 degrees Celsius is safe. Keep in mind that the more warmth and air movement there is, the more often you will need to water your orchid.

Water

A general rule is to use water that is not hard and has not been softened with salt. Salt will kill an orchid. Rainwater, reverse osmosis, or distilled water are good choices. Chlorinated water is not an issue for orchids - high sodium levels are.

The biggest issue many people have is either over-watering or underwatering their orchids. Here is the method we recommend:

Every 5-7 days, place the pot in a container or the sink, then fill it with enough water to cover the top of the pot. Be careful not to let water collect in the crook at the base of the leaves, as standing water will rot the leaves and the plant. Once the plant’s growing medium is thoroughly soaked, remove it from the water and allow the pot to fully drain in the sink before placing it back in its saucer. 

We prefer using a container of water rather than the sink, so the remaining water can be used to water other plants.

Here’s the best watering advice we can give you: look at the overall health of both the plant AND its root system. Full, plump leaves and vibrant, green roots indicate that your plant is getting enough moisture. Puckered leaves and a silver sheen on the roots indicate insufficient water. Mushy, brown leaves and roots are signs of rot caused by too much water.

You may hear of another watering method that involves using ice cubes, but it’s controversial and not widely recommended. To quote the American Orchid Society, “Ice is for cocktails, not orchids. Never use ice on tropical plants to water them.”

“Soil” and Nutrients

Most orchids naturally grow high up in trees, where their roots cling to bark and absorb moisture from the air. At home, we try to mimic those conditions, which is why orchids are typically planted in chunky mediums like bark, coconut husk, charcoal, or perlite rather than traditional soil. While many of the roots stay inside the pot, it’s completely normal for some to grow up and over the edge.

These “escapee” roots might look a little wild, but don’t worry, there’s nothing wrong with your orchid. In fact, those aerial roots are a sign that the plant is healthy and doing exactly what orchids do in nature.

It’s worth noting that not all orchids grow the same way. Many, like Dendrobiums, are epiphytic (growing on trees) or lithophytic (growing on rocks), though some orchid varieties are terrestrial and grow in the ground. The good news is that the growing medium your orchid comes in is chosen specifically for that variety, so you can trust it’s in the right environment.

The bark that your orchid is planted in will slowly break down and become mushy. It’s a very good idea to repot your plant every two years.

It’s generally recommended to feed most orchids, and bloom time dictates which fertilizer to use and how often to feed. Begin by using a water-soluble 20-20-20 fertilizer, mixing it at ¼ the amount recommended for other houseplants. Apply this solution every 2 weeks in the summer and every 3 weeks in the winter.

“The orchid, with its many forms, is a reminder that life is full of surprises.” — Leonardo da Vinci.

Lastly, here’s an orchid fun fact: While we have been talking about tropical orchids in this article, there are also orchids that grow right here in Ontario! That’s right, there are over 50 species in this province, including the much-loved Pink Lady’s Slipper (Cypripedium acaule).  

Resources for more detailed and specific information: 

Toronto Master Gardeners - https://www.torontomastergardeners.ca/gardeningguides/growing-orchids-a-toronto-master-gardeners-guide/

Canadian Orchid Congress - https://canadianorchidcongress.ca/basics/growing-orchids/

American Orchid Society - https://www.aos.org/orchid-care/indoor-orchid-care

Ontario Wildflowers - https://ontariowildflowers.com/main/group.php?id=18

It’s the question we probably hear the most when it comes to flower gardens…”What can I buy that will flower all season long?” While some annuals bloom for a very long time, no plant will bloom from early Spring to late Fall, and no vegetable plant will produce for that duration either. The solution? Succession Planting! It’s a simple strategy that maximizes the time your garden is blooming or producing vegetables.

What is Succession Planting?

Plant early (earlier than you think) and plant things in succession that thrive in the current weather conditions - right up until there is a hard frost. Simply plan to plant another crop or flower once one is harvested or finished blooming. Many gardeners here in southern Ontario wait until the May 24th weekend to plant everything - all at once. Succession gardening staggers planting times so there is a continuous harvest of vegetables or an everchanging series of blooming flowers. While it takes a little more planning, the results are worth it.

A Succession of Blooms

The best way to ensure a parade of colour in your garden is to choose a variety of annuals, perennials, and biennials that bloom at different times. There is a notion that a garden can only have annual flowers or just perennials, but the best results come from a mix of both. You’re allowed to mix them together! Most annuals bloom during the heat of the summer, but perennial flowers can extend the season for you by blooming in early spring or in the fall. A list of perennial bloom times can be found in this Landscape Ontario article to help you choose your plants.

Some flowering plants, like pansies, love cooler weather and are easy to purchase in the spring. A little planning and planting in the fall will provide a flush of colour from Spring bulbs like Daffodils, Crocus, and Hyacinth. Spring bulbs look great alongside early-blooming shrubs or trees like Canada Serviceberry and Forsythia. 

April or early May is also an excellent time to directly sow annual flowers like sunflowers, nasturtium, borage, and herbs like cilantro and dill to give them a head start.

Cool Weather Veggies

It’s surprising how many vegetables thrive in cool weather and withstand light frost. Keep tender plants indoors until the third week of April and slowly harden them off, but get outdoors any time in April and begin directly sowing fast-growing cool crops like leafy greens, root vegetables, and some herbs. 

Lettuce planted in late spring will tend to “bolt” and taste bitter once hotter temperatures arrive. Lettuce loves cooler conditions. So you don’t have to wait until May 24th to sow lettuce and other vegetables. Which Vegetables? We have a list of examples for you in our article: Starting Seeds Indoors and Cold Weather Crops. Starting early means you can harvest a whole crop of vegetables before you plant heat-loving crops like peppers and tomatoes.

Sow All Season

If you’ve ever been overwhelmed by planting too much of one crop at once, you will love succession gardening. While you may be able to freeze a batch of 2,000 string beans from the entire packet of seeds you planted in one go, sometimes stretching out the harvest is nice. Plant smaller batches of beans, peas, and herbs like cilantro, dill, and basil every three weeks to ensure continuous summer harvests. This approach is also known as interval gardening. 

Sow cool-weather crops like leaf lettuce, Swiss Chard, and Radishes in April or early May and again in September.

Continuous Harvest

Once your early Spring vegetables like lettuce, peas and radishes have been harvested, it’s time to sow your second crop of cool-weather veggies for harvesting in the Fall. Do you know veggies like parsnips, Brussels sprouts, peas, and kale have more flavour after a mild frost?! A mild winter this year meant we were still harvesting some Brussels sprouts in December.

Double Up

Another tip is to plant things that grow well together. For example, plant seeds for a root crop like carrots below your tomato plants, peas or bush beans in the vegetable garden. The carrot crop will be next after the tomatoes, peas or beans are done for the season. There are many combinations like this - tomatoes and basil, kale and dill, lettuce and beets, broccoli and borage, just to name a few. Doing this helps to increase the production of your plot of land and keeps the soil covered, which is always better for soil health.

One final strategy for flower succession planting is to use containers. Consider placing a well-positioned pot of annual blooms beside perennial plants resting after flowering. 

Once you get started, researching companion plant combinations like these can be a fun game. These combinations will extend the time you can enjoy lots of colourful blooms and increase the amount of vegetables a garden can produce! 

Come along on a little journey with me and imagine this… It’s Springtime. The sun shines, and the air finally feels warmer after a long, grey winter. You take a little trip to your favourite garden centre and find that special plant you’ve been reading about and hoping for. Of course, you buy the plant, take it home, and proudly place it on your sunny patio on this beautiful day. Two more sunny days go by, and the plant does not look good at all. It seems to be dying, so you give it lots of water, but that makes no difference. It is in fact dying. So disappointing! How could this be happening?

In our excitement to get outdoors and plant flowers, or add greenery, we forget that the plants we’ve been growing indoors or inside a greenhouse, aren’t used to the elements in the great outdoors. They’ve been sheltered indoors, out of the wind and direct sun, and watered and fertilized regularly with the utmost attention. They’ve been pampered in a plant spa and are quite literally hothouse flowers! Being plunked outside afterwards is the equivalent of us going outside in a bathing suit with no sunblock on for the first sunny, warm days of Spring, exposing our lily-white skin that’s been covered up by a parka all winter long!

Red, sunburned skin is not a great image, but hopefully, this comparison helps to explain the importance of transitioning or hardening off plants. Much like us, indoor plants need to be gradually exposed to the elements and given protection in the process.

The same will be true if you have planted seeds indoors or purchased greenhouse-grown seedlings. Seedlings grown in a greenhouse, a sunny window, or under grow lights in your home need up to 14 days to acclimate to being moved from their cozy indoor space to the great outdoors.

What is Hardening Off?

Hardening off ensures that you will not lose another plant or seedling! It’s a sensible process for all the plants you’re moving from indoors to outdoors. By helping plants or seedlings to gradually toughen to withstand the elements, you prevent transplant shock, which can cause your plants to be stunted or, worse, die.

To ensure success, the process of hardening off takes up to 14 days, so you will want to begin two weeks before transplanting plants and seedlings into your garden. Houseplants may only need 7 to 10 days, but tender, tiny seedlings need the full two weeks to strengthen and get used to their new environments.

When to Harden Off

Cold-weather plants like lettuce, kale, pansies, violas, dianthus, and potted or forced spring bulbs can be hardened off once daytime temperatures consistently reach 5 Celsius, usually in April in southern Ontario.

Perennial plants, tropical houseplants, and heat-loving seedlings like most annual flowers, tomatoes, peppers, and basil should wait until temperatures are around 7-10 Celsius to begin hardening off. For vegetables and annual flowers, start hardening off around May 10 here in Norfolk County if your target is planting seedlings around May 24th.

Successfully Hardening Off Your Seedlings and Plants

Days 1 and 2

Begin on a day that is optimally warm (At least 5 Celsius for cold-weather-tolerant plants, 7 Celsius for heat-loving plants, or 15 Celsius for tropical houseplants) and place your plants or seedlings outside in full shade and protected from the wind.

If you don't have a wind-sheltered area in the shade, putting your plants in an open cardboard box is a good way to protect them from the wind at this stage.

Leave them in this protected area for 1-2 hours before returning them indoors.

Days 3 to 5

Each day, gradually increase the length of time your plants are outside and begin to place them in an area where they will get dappled shade and some wind.

Pay close attention to watering while you’re hardening off your plants as they will require more frequent watering.

Days 6 to 10

On day 6, start to increase your plant’s exposure to direct sunlight by placing them in the morning sun, which is less intense than the afternoon sun.

Begin to leave them outside overnight from this point on unless the temperature is expected to drop below 7 Celcius.

Days 10 to 14

After 10 days of acclimation, it is safe to move houseplants that require more sun to a location that meets their needs.

After 14 days of acclimation, it’s safe to transplant seedlings to their place in the garden or to large pots if you’re growing in containers.

As soon as your plants are transplanted, be sure to water them well! This will help them transition and eliminate air pockets in the soil that can harm the roots.

If the temperature drops and a fluke, unexpected freeze is forecasted after you’ve planted everything, cover your plants with row cover, cloches (you can use plastic water jugs with the bottom cut out, just leave the screw cap off to act as a vent), or cardboard boxes to protect them.

To summarize, when Spring arrives, protect your skin with sunblock, and harden off your plants before you move them outdoors!