This is the time of year we see a rise in humidity along with a threat from afternoon rains. This rise in humidity and high nighttime temperatures can also bring plant disease problems. You can do something now to prevent diseases before they occur.
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Q: I was reading up on controlling the leaf-footed plant bugs on my pistachio and almond trees and came across a recommendation by the University of California to use a pesticide containing bifenthrin. I see some Ortho products for lawn and garden contain bifenthrin. Is this a pyrethrin or something similar like you are recommending? Could this be used to spray the almond and pistachio every two to three weeks until it gets hot?
Q: I just sighted my first grape leaf skeletonizer moth. I’ve learned that Bt will control the worms. I’d like to try and minimize the larvae if I can by eradicating as many moths as possible. Can you recommend the best course of action, if any, to control the moth ?
Question: Regarding using house water for plants: Is it safe to use reverse osmosis water as compared to tap water?
Question: I recently purchased an asparagus fern, which after a few weeks of tender, loving care, has decided to go bonkers.