Dos and don’ts of dormant oils
Dormant oils are useful for treating overwintering eggs of insects. However, not all trees and shrubs tolerate dormant oil.
pests
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Know your bugs
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.