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ACP (Asian citrus psyllid) found in San Joaquin county

You may have heard that ACP (Asian citrus psyllid) was found in Lodi, Manteca and recently Stockton. The Master Gardeners are ready to answer your questions about this invasive pest. Click here to find out how you can help prevent the spread of this unwanted pest and what to do if you think you have it.



What's Growing On - SJMG Blog

Valley Gardener's Journal For Year-Round Blooms

The San Joaquin Master Gardeners are excited about the Valley Gardener's Journal For Year-Round Blooms. This garden journal is now available for purchase and is great for any gardener. For more info click here!  

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Garden Notes  Master Gardener Newsletter

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Calendar of events
Event Name Date
UC Garden Blogs
  • Future entomologists? A group of students in a Bay Area three-week insect class, taught by SaveNature.Org, poses for a photo.
    Youths Experience the Joy of Insects

    Do you remember when insects first fascinated you or when you developed a love of insects? Odds are that the children who attend the SaveNature.Org insect-themed sessions in Berkeley will. The husband-wife team of Norman Gershenz and Leslie-Saul...

    By Kathy Keatley Garvey
    Author - Communications specialist
  • Plant Sciences grad student Matt Fatino, UC Davis, addressing herbicide control for broomrape weed in tomato fields. (photo Ann Filmer/UC Davis)
    Broomrape eradication is high priority for UC researchers

      August 14, 2019 Posted by Ann Filmer Processing tomato growers are struggling to contain a potentially devastating parasitic weed that had not been seen since growers waged a successful eradication campaign four decades ago. Branched...

    By Ann King Filmer
    Posted by - Communications
    By Gale Perez
    Re-posted by - Program Representative
  • Roses
    Rose Care and Weed Control

    Many gardeners and landscapers enjoy growing and caring for roses. Through careful selection of varieties and appropriate cultivation, roses can be grown with a minimum of pest problems. Establishing rose plants to grow in environments with adequate...

    By Karey Windbiel-Rojas
    Author - Associate Director for Urban & Community IPM/ Area IPM Advisor
  • D-WO-FOXY-FO.010
    Keep Your Palm Trees Disease-free

    Palm trees are commonly seen in California, making some think about the tree-lined streets of Hollywood, or sitting by the pool somewhere. These tropical or subtropical trees are beautiful and varied, with many different types of palms, each adapted for...

    By Karey Windbiel-Rojas
    Author - Associate Director for Urban & Community IPM/ Area IPM Advisor
  • What's in the Bohart Museum of Entomology? A sign tells all. (Photo by Kathy Keatley Garvey)
    What's in Store for Unattended Children at the Bohart Museum of Entomology?

    Ever seen that humorous sign in the veterinarian office that warns "Unattended kids will be given a shot of espresso and a free kitten?" Well, the Bohart Museum of Entomology at the University of California, Davis has done it one better. No free...

    By Kathy Keatley Garvey
    Author - Communications specialist
  • Adult pocket gopher peeking out of a burrow entrance. [Credit: T. Chalmers]
    Got Gophers?

    Gophers are well-known and certainly unwelcome pests in landscapes, gardens, lawns, and athletic turf. More correctly called pocket gophers, these rodents mostly remain hidden underground in tunnels and feed on plants from below, sometimes pulling whole...

    By Karey Windbiel-Rojas
    Author - Associate Director for Urban & Community IPM/ Area IPM Advisor
  • Pupal cases: a stark reminder that two anise swallowtail butterflies eclosed. (Photo by Kathy Keatley Garvey)
    Marilyn's Miracles: Anise Swallowtail Butterflies

    If you've ever reared a butterfly--from an egg to a caterpillar to a chrysalis to an adult--you know what it feels like. Like a miracle, to see life unfolding. Our friend, Marilyn Sexton, aka "Anise Swallowtail Butterfly Mama," showed us her Bohart...

    By Kathy Keatley Garvey
    Author - Communications specialist
  • WSSA statement concerning glyphosate registration

    Posting a press release and link to the Weed Science Society of America (WSSA) statement on the registration of glyphosate. - Link to press release: - Link to...

    By Brad Hanson
    posted by - CE Weed Specialist