Dormant oils can be useful for treating overwintering eggs of aphids. (Photo by Joanne Young)

Dos and don’ts of dormant oils

Stephen Westcott-Gratton

Dormant oils are useful for treating overwintering eggs of insects. However, not all trees and shrubs tolerate dormant oil.

Troublesome slugs (Photo by Wikipedia)

How to eliminate slugs?

Beckie Fox

How do I eliminate slugs?

Cabbage butterfly on flowers of golden oregano. Photo by Brendan Zwelling

Know your bugs

Judith Adam

This is a good book for identifying insects, caterpillars, their eggs and the damage they can cause. Only four grasshoppers will consider eating an ornamental plant — the twostriped, differential, migratory and redlegged grasshoppers.