Tag Archive: Nights

Wet Weather, Cool Nights Ideal For Powdery Mildew

Powdery mildew on rose bud. Image Credit Matthew Orwat.   Powdery mildew on rose leaf. Image Credit Matthew Orwat. This spring powdery mildew has been prevalent on many non-resistant cultivars of ornamental plants, particularly rose and crapemyrtle. Ideal conditions for powdery mildew development, warm days and cool nights followed by rain, have been present for several weeks in Northwest …

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Permanent link to this article: http://okaloosa.ifas.ufl.edu/newsletters/2014/04/08/wet-weather-cool-nights-ideal-for-powdery-mildew/