HOrT COCO-UC Master Gardener Program of Contra Costa

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Wisteria Mosaic vine virus
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Wisteria Vein Mosaic Virus

June 23rd, 2019
Wisteria Vein Mosaic Virus Advice from the Help Desk of the UC Master Gardener Program of Contra Costa County Client's Question: This spring I planted 4 wisteria vines around our pergola and they've grown well but now two plants have bumpy leaves and one has brown curl at the end of a few leaves.
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Black spots on Persimmon
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Persimmon Tree Problems

June 17th, 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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Glyphosate (e.g., "Roundup") Use in Contra Costa Gardens

June 10th, 2019
Help for the Home Gardener from the Help Desk of the UC Master Gardener Program of Contra Costa County Help Desk Request: I've just moved into my first house, and I would like to grow a moderate-sized vegetable garden in the back of the property.
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Powdery Mildew on Rose
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Rose Disease: Powdery Mildew

May 27th, 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
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Snap Peas "snapping"?

May 20th, 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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