Challenging Garden sites
- Do Black Walnut Trees Have Alleopathic Effects on Other Plants? – Linda Chalker-Scott WSU
- Truth or Fiction? Are Black Walnuts Toxic in my Garden?
- Planting on a Slope – University of Connecticut
Balconies, Patios & Container Gardening
- Secrets of Container Gardens
- Plants for Balconies and Patios
- Papercrete, A Hypertufa Alternative-Lee Coates-handout-1
Halton Region Master Gardeners 