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Red raspberry canes before pruning

How should raspberry canes be pruned?

A reader asks how to prune the canes of raspberries that produce in July, then a second crop in September/ October.

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Hamamelis virginiana witchhazel is cold hardy for an Edmonton garden. (Photo by Vineland Nurseries

Where can I buy witch-hazel?

Hamamelis virginiana, our native witchhazel which blooms in fall, as well as H. vernalis are cold hardy for Edmonton.

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Passiflora cerulean ‘Blue Crown’ (Photo by Joanne Young)

Why won’t my passion flower bloom?

Judith Adam responds to reader question about a passion flower plant that’s growing green leaves but not many flowers.

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Powdery mildew on rosemary. (Photo from Flickr by Scot Nelson)

How to treat powdery mildew on rosemary?

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?

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