Blooming Boulevards – This is a Toronto group, however there is a great deal of information available.
Ottawa Horticultural Society – Includes a list of native plants to the Ottawa area.
Ottawa Wildflower Seed Library – The Ottawa Wildflower Seed Library is a grassroots organization that promotes gardening with native plants to provide food and habitat for bees, butterflies, insects, birds, and other wildlife.
David Suzuki – Ditch the Lawn – Did you know lawn is the dominant land cover in most Canadian communities? Lawns are a great place to picnic and play sports, but way too many of them exist.
In Canada, there are millions of lawns. Watering them accounts for about one-third of all residential water use. These lawns do nothing to support biodiversity. If you love birds, ditch the lawn.
The Native Plant Gardener – This is a very comprehensive site with many resources within it.
Homegrown National Park – If you only look at one website, look at this one and watch the enclosed videos. We have created a world full of concrete and grass. We can reverse the tide, but time is running out.
National Wildlife Federation – Keystone plants by ecoregion. This is a USA site, but incorporates Canadian regions as well.