Ask your gardening question

How should raspberry canes be pruned?
Garden Making
A reader asks how to prune the canes of raspberries that produce in July, then a second crop in September/ October.

Where can I buy witch-hazel?
Garden Making
Hamamelis virginiana, our native witchhazel which blooms in fall, as well as H. vernalis are cold hardy for Edmonton.

Why won’t my passion flower bloom?
Judith Adam
Judith Adam responds to reader question about a passion flower plant that’s growing green leaves but not many flowers.

How to treat powdery mildew on rosemary?
Beckie Fox
When I bring my rosemary plants into the house for the winter, they get a powdery mildew that kills new growth. How do I treat this?

Why won’t my eucomis bloom?
Dugald Cameron
Why won’t my eucomis bloom? They did bloom the first few years, but for the past three, they have grown only leaves. I give them lots of sun and water, and occasional fertilizer.