HOrT COCO-UC Master Gardener Program of Contra Costa

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Black spots on Persimmon

Persimmon Tree Problems

June 17, 2019
Advice for the Home Gardener from the Help Desk of the UC Master Gardener Program of Contra Costa County MGCC Help Desk Request: What's going on with my persimmon tree? I worked a bunch of compost into the soil around it in the spring and mulched with leaves. But it looks like it needs nutrients.
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Powdery Mildew on Rose

Rose Disease: Powdery Mildew

May 27, 2019
Client Request: Could you help us with identifying the problem with our rose bushes. I used Bayer all in One Rose & Flower Care this Spring but it didn't do much good. What should we do? Thank You.
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Snap Peas

Snap Peas "snapping"?

May 20, 2019
Advice for the Home Gardener from the Help Desk of the UC Master Gardener Program of Contra Costa County Request: I planted two types of snap peas this year - Sugar Snap and Sugar Anne. I planted them in separate areas - Sugar Snap in the ground and Sugar Anne in pots.
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Little Carpenter Bee

Carpenter Bees

May 13, 2019
Advice for the Home Gardener from the Help Desk of the UC Master Gardener Program of Contra Costa County Gardener's Request I've discovered that carpenter bees are nesting in holes they've created in my roof beams. I'd like to get rid of them, but I don't want to harm them when I repair the holes.
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