Spring has sprung and gardeners are digging in. Got questions as you carry on? Get answers from Ask an Expert, an online question-and-answer tool from Oregon State University’s Extension Service. OSU ...
Q: Last year, my roses had a case of rust and some insect issues, so I treated them with Neem Oil. Afterward, all of my rosebushes lost all of their leaves and they didn’t come back until later in the ...
Q:Do you have an organic suggestion for black spot and rust on my San Francisco-grown roses? A: I have many suggestions for preventing or treating rose black spot and rust while remaining an organic ...
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