University of California
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Posts Tagged: mildew
A Missed Diagnosis: Powdery Mildew
I had a good patch of California Poppies (Eschscholzia californica) that had just finished...
April Gardening Tips: Powdery Mildew
As you practice social distancing during COVID-19, you may find yourself spending more time in the...
Are Your Roses Diseased?
Roses in the garden can be infected with a variety of bacteria, fungi, and viruses, leading to...
Powdery Mildew Can Ruin Grapes
Over the past few months, gardeners have asked the UCCE Master Gardeners for help with their...
Powdery mildew on grape leaves. (Jack Kelly Clark, UC IPM)
More on Downy Mildew Diseases
Now through the spring is the time to take a close look at crops that are susceptible to downy...