Norton Naturals is a small nursery in Eastern Ontario specializing in native and non-native perennial vegetables. We enjoy the following sites, for the information they provide about foraging, permaculture and related topics: 

Plants For A Future pfaf.org 
Apios Institute | Edible Forest Garden Wiki apiosinstitute.org
Perennial Solutions: Edible Permaculture perennialsolutions.org
Permaculture Nursery at Food Forest Farm permaculturenursery.com