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HOrT COCO: UC Master Gardener Program-Contra Costa-Blog

  • Winter yellowing on lemon leaves. Photo by Susan Heckly
    Fertilizing Citrus

    Are you noticing that the leaves on your citrus trees are looking yellow, and wondering if now is the time to fertilize? We have some answers for you. Should You Fertilize Now? First of all,...

  • Looking for Expert Garden Help?

    Master Gardeners have many clients whose gardens need work beyond the standard mowing, leaf blowing and hedge trimming, such as a new design, nursing an older garden back to health, improving...

  • Courtesy of UCANR blogs
    Selecting and Planting Bare Root Fruit Trees

    Winter is an ideal time to plant a fruit tree. Although it requires some patience, success is best using bare root trees. There are many advantages: the trees are lighter and easier to handle; you...

  • Courtesy of Trisha Smith, Flickr
    Garden Tool Care

    Evenings are growing dark and maybe it's too cold and wet to work in the garden. What better time for tool care? It's also a great time of year to drop some hints to friends and family for those...

  • Peach leaf curl symptoms
    Is it Time to Use Dormant Sprays on Your Backyard Fruit Trees?

    Now that the leaves have fallen, or mostly fallen, from your backyard fruit trees, are you wondering whether you should apply dormant sprays? “Dormant sprays” or “delayed dormant...

  • Schlumbergera species courtesy of Pixabay.com
    Holiday Cacti - Bloom Time is Near

    Christmas cactus will be in bloom soon, available at your local nursery and home and garden store, in many stunning colors to brighten our shorter days. Their bloom time can range from November to...

  • tomato thumbnail
    Bundle Up! Winter's Coming! - Preparing for Frosty Temperatures

    It's time to get ready for cold winter temperatures and to start preparing protection for citrus trees and other frost-sensitive plants. Depending on where you live in Contra Costa County, your first...

  • The bulb on the left is a Hardneck garlic. On the right is a Softneck with no central stem. Photo from Sheila Weston.
    Growing Your Own Garlic, Leeks, and Shallots

    Garlic has been part of agriculture for at least 5000 years and is thought to have been brought to the Americas by Columbus. There is much folklore associated with it, from treating warts to fighting...

  • Subterranean termites having just emerged from the soil (photo by Kathy Keatley Garvey, University of California Agriculture and Natural Resources)
    Fall Rains Trigger Mating Flights of Termites

    For most of the Bay Area we had an unexpected but wonderful seasonal surprise – RAIN. This blessing provided a drink of water to plants that we have had to ignore due to water rationing. We...

  • Mustard
    A Conversation About Garden Cover Crops

    What is a cover crop? It's a crop grown to feed and protect the soil when the garden is not being used for active food production. Cover crops can transfer nitrogen into the soil, provide large...