Question
I live in SF - Richmond district near Park Presidio Blvd. What kind of fruit tree would you recommend for this area other than apple and pear which I already have? Also, I have Winter Nellie pear, D'Anjou pear and Red Delicious apple trees in Richmond district of SF. When and what should I spray the trees. 2008 I had caterpillars on the pear trees eating up all the leaves and would like to avoid them, if possible.
Jane
San Francisco
Answer
If you want another type of deciduous fruit tree consider a Santa Rosa or Beauty plum. Apricots can also be considered if your yard is really warm and sunny. Of course, all types of Citrus will also do well for you : Trovita orange, lemons, limes and Mandarins. You can spray the trees now and again in mid February with Kop R Spray to prevent diseases such as powdery mildew and scab. To treat for caterpillar, wait until 3/4 petal fall (when 3/4 of the flower petals have dropped off the tree). By then, the young leaves will be pushing. Spray with BT caterpillar killer at monthly intervals or after heavy spring rain. This is a harmless spray to non target insects such as bees and other wildlife.
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