Valley News -

By Frank Brines
Special to the Valley News 

Caring for roses in November

 

Last updated 11/16/2018 at 3:12am

Courtesy

Black spot is the most common disease of roses and is found everywhere roses are grown.

After a summer of high temperatures, fires, smoke, ash and Santa Ana winds, it feels good to have some relief. The weather has moderated slightly, and along with the change comes cooler nights with more moisture collecting on leaves. This moisture with the daily accumulation of ash and small dust particles provides a great environment for mildew, rust and black spot on roses.

Black spot is the most common and important disease of roses found everywhere roses are grown. The disease does not kill the plant outright but, over time, the loss of leaves can weaken the plant, making it more susce...



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