Dealing with powdery mildew

Dealing with powdery mildew

Late summer in western Washington provides ideal conditions for powdery mildew. Powdery mildew is common on a wide range of plants, including annuals, perennials, food crops and ornamental shrubs. To help you manage it, we are updating a post on powdery mildew from...
Winter is a great time to prune

Winter is a great time to prune

January and February are great months to prune your trees and shrubs. Woody plants are dormant, and deciduous trees and shrubs have lost their leaves, making it easy to see their shape. In Harmony has ISA Certified Arborists on staff. They are experts at selective...
How to manage powdery mildew

How to manage powdery mildew

Do your squash plants look like they’ve been dusted with flour or talcum powder? Does your rhododendron have spots on the leaves? You may have powdery mildew. Powdery mildew does best when damp nights are followed by warm, sunny days, such as in late summer and...
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