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For this 150th birthday, Grow More Canada!

Anniversaries offer a chance to look back, look forward and - most importantly - look around. I think we can all use this sesquicentennial opportunity to reflect on what it means to be on this beautiful land and, for those of us who have our roots in other corners of the world, become part of a harmonious future.

This is hard as our culture and aesthetic sense are rooted elsewhere, our education emphasizes technology over nature, and the pace of modern life give us little time to listen to the land and its creatures. But chances to connect with nature are all around – with a feeder for the birds, some seed set to germinate on the window sill, or a time of quiet reflection on a park bench. The connection deepens with a walk in the forest or a canoe trip through a wetland.

As gardeners, let’s listen, learn and Grow More Canada! by restoring native plants wherever we can. They support the web of life which sustains us all.

This year, for the first time, I have seed for sale! Not a large selection, if you're looking for more, I recommend Gardens North which has seed from around the world, but a lot from Ontario, along with really good germination advice. Seed is best gathered in the area where it’s to be grown. A plant grown from local seed will be genetically programmed to grow in sync with the environmental cues of the location from which the seed originates.

This means it will be attuned to the hours of daylight and weather conditions of – in the case of seed from Return of the Native - Huronia. It will be more efficient at marshalling its resources – emerging in spring, putting in its growth spurt, producing seed and moving into dormancy at the best time. It will also be more likely to resist local pests and diseases.

Seed falls into two main categories:
---Warm germinators are like the annual vegetable seeds with which most gardeners are familiar. Sow outside in spring, or start inside earlier for setting out when frost is no longer expected. Because annuals have only one year to fulfill their destiny, they usually germinate fast and readily. And quite a few perennials do the same. Don’t start these too early because unless you have a good setup with growlights and a fan, they will get weak and spindly for lack of light. Four or six weeks ahead of the last frost (which comes around May 28 in Huronia) is soon enough.
---Cold germinators. In this category are most of our native trees, shrubs and perennials which are quite particular about how and when they will germinate. In Ontario, the seeds of many native plants need to be exposed to winter before they will break dormancy. This is known as stratification, or ‘cold treatment.’

You can achieve this by seeding outside in the fall, either directly into the ground or in pots placed outside; or by seeding into pots and placing them outside in late winter, generally some time in February. Or you can simulate winter in the fridge (not the freezer), with seed either sown into pots or placed in plastic bags filled with a moist medium like vermiculite. Moisture is essential; seeds sitting ‘dry’ in the fridge will remain dormant. Unless otherwise indicated, 60 days’ cold treatment suffices. If in doubt, provide cold treatment for your native seed, it will not harm it.

Sometimes, stratification is not enough and scarification is needed to get germination going. Scarification means penetration of a very hard seed coat. There are a variety of possible methods, including: rub between two pieces of sandpaper; nick with a knife; or plunge the seed into a pot of water that has been bought to a boil, and soak until the water reaches room temperature.
Research continues into the secrets of unlocking dormancy in the more difficult native plants. Some prefer their cold treatment to include oscillating temperatures (more easily provided by seeding outside), others take two, or even three years to germinate. Some like to be covered, some need exposure to light. Some need an acidic treatment similar to what happens in the digestive tract of a bird or other creature, still others need exposure to fire. But the plants on the ROTN seed list are reasonably straighforward and predictable.

Here are a couple of websites with more information about germination requirements.
North American Native Plant Society 
Ontario Rock Garden and Hardy Plant Society
These are helpful videos from Robert Pavlis of Garden Fundamentals:
Small seed 
Scarification 

New stock

This is the time of year when I place an order with another native plant supplier for trees and shrubs I’m not growing myself, as my focus in propagation has become more centred on perennials. I have ordered Sweet Gum Nyssa sylvatica, Striped Maple Acer pensylvanicum, Bebb’s Willow Salix bebbiana, Spicebush Lindera benzoin and Sweetspire Spirea tomentosa. Check my plant list and if you’re looking any species that’s not there, email me at This email address is being protected from spambots. You need JavaScript enabled to view it. and perhaps I can get it for you. Also let me know if you’re going to need more than 10 of anything, I can give you a discount and make sure I have enough stock.

The trees I sell are mostly in their first or second year of growth - there is an advantage to planting a younger, smaller tree. The ratio of more root to above-ground growth means the tree settles in faster and starts growing sooner, often overtaking a larger tree of the same species planted at the same time. The variable in the other direction is competition from weeds that a plant with a larger rootball is better able to withstand. Controlling weeds around your young trees is definitely time well-spent.

Decorative stoneware

I sell a pretty ‘Native Plants Live Here’ plaque for the North American Native Plant Society, manufactured by Kingston-based Amaranth Stoneware. I love this company's work, which ranges from garden labels to whimsical sayings and beautifully crafted items like ‘nest depots’ and ‘butterfly puddlers.’ I’ll have some on sale this spring, but check out their website and let me know if there’s anything you’d like. If you order through me, you can save on shipping charges – but you would have to come to my nursery to pick up.
S. Middleton
- 19 January 2017 at 11:47am

It is those seeds that require fresh sowing before going into deep dormancy that give me pause.
Some of our native seed if kept in an envelope too long will need 2 years or will not germinate at all! Storing in moist vermiculite is to be remembered hoping that the seed does not decide to germinate to soon!
Interesting site, blog and seed list is BotanyCa. Gabriela Costea has hints and photos on how to germinate those difficult seeds.
Kate
- 20 January 2017 at 01:28pm

That's complex! But exciting when one gets it right
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