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 ...

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 ...

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 ...