The widely planted Norway maple (Acer platanoides) is not my favourite tree. I wouldn’t mind so much if it would stick to its native range — from Scandinavia to Turkey — but in Canada, it’s quite rightly the poster child for the invasive species lobby. Shade-tolerant Norway maples have thick, dense canopies that cast an impermeable shadow, together with a tangle of surface … [Read more...] about Viking maples invade Canada
red maple
Allergy-free gardening
If you wheeze and sneeze when you set foot in the garden, just think about sex — plant sex, that is. “What people don’t realize is that many plants are either male or female,” says Tom Ogren, pollen expert and author of Allergy-Free Gardening: The Revolutionary Guide to Healthy Landscaping (Ten Speed Press, 2000). “Male plants produce huge amounts of pollen, the biggest … [Read more...] about Allergy-free gardening
