HOrT COCO-UC Master Gardener Program of Contra Costa

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Earwig on flower

Earwigs

June 7, 2026
By Help Desk Team
Earwigs are one of the most recognizable insects in the garden because that distinctive pair of pincers at the tail end makes them hard to mistake. While their prominent pincers might look ferocious, earwigs aren't harmful to people. Earwigs can be a mixed blessing: they can seriously damage seedlings and…
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Whitefly on Kale

Whiteflies: How to Manage a Common Garden Pest

May 26, 2026
By Help Desk Team
If you've been noticing tiny white insects fluttering up from your plants when you brush against the leaves, you're not alone. Whiteflies are one of the most common complaints we hear this time of year. The good news is that they can be managed with some straightforward strategies. Whiteflies can be a real…
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Patch of Bermudagrass

Fighting Bermudagrass

May 10, 2026
By Help Desk Team
Bermudagrass (Cynodon dactylon) is a warm-season grass that is sometimes used for lawns. It tolerates high temperatures, needs full sun, and survives with low water. Unfortunately, it is also one of the most common weeds in our area and is difficult to control.  To identify bermudagrass, look for dense…
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Rhododendron bush

Growing Acid-Loving Plants

April 28, 2026
By Help Desk Team
Note: This was originally published in the Contra Costa Times. It has been updated.If you have ever admired the coral beauty of camellias, azaleas or rhododendrons or savored the juicy plumpness of blueberries, you may have thought of growing your own. You may also have heard that these are acid-loving…
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Class of 2026 in training

Want to Become a UC Master Gardener Volunteer? Here's How

April 12, 2026
By Help Desk Team
Do you love gardening and want to share that passion with your community? The UC Master Gardeners program might be just what you're looking for.UC Master Gardeners is a volunteer program dedicated to helping Contra Costa residents with researched, science-based knowledge on home horticulture, pest management…
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