Roman Gonzalez is the creator of the urban gardening blog MrBrownThumb, founder of the Chicago Seed Library, and a co-founder of One Seed Chicago. Powdery mildew is a widespread and easy to recognize ...
In late summer, many of our favorite shrubs and flowers develop a funny, grayish-white powder-like coating on the top of their leaves. Lilacs, roses, bee balm, tall garden phlox, peonies, asters and ...
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