Horticultural oils can be used as a dormant spray on fruit trees to proactively control overwintering insects and diseases. Dormant oil sprays should be applied in late March or April before the ...

The almost-daily rain we had this spring really put a damper on fruit tree spraying. Pesticides work best if they are applied at least 24 hours before a rain. When a rain happens before the next spray ...

Question: What is dormant spray? I was told to use it on my fruit trees, but I don’t know what it is. Thanks. Answer: Dormant sprays are sprays used on fruit trees during the winter, the dormant ...

If insecticide sprays are applied too late, the pests enter and eat inside the fruit where they are protected from sprays. If applied too early, the spray will dissipate and be ineffective when the ...

Peach leaf curl, citrus blast and brown rot of citrus fruit are diseases common in Butte County. Fortunately, all three can be prevented or reduced with fall and winter spraying. Peach leaf curl is a ...

Winter is tough on fruit trees. Very cold temperatures, heavy snow or ice, pests, and diseases can leave you with damaged or unproductive plants the next year. But if you take the time to winterize ...

During the summer I often get fruit samples infested with worms or spotted with fungi from home orchardists. I usually ask "Did you spray your fruit trees?" "Oh, yes" is the usual answer. Further ...

Fruit trees don't always need fertilizer. Here's how to tell if they do.