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      • Popular Articles

      • Oxalis

        There are two types of Oxalis weeds found in Santa Clara County: Creeping Woodsorrel (Oxalis corniculata) Bermuda Buttercup (Oxalis pes-caprae) also known as Buttercup Oxalis Information about how to control both of these weeds can be found in the UC ...
      • Climate Zones

        There are two commonly used climate zone scales: The US Department of Agriculture Plant Hardiness Zone Map (including zip code lookup) is based on the average annual minimum winter temperature, divided into 10-degree F zones. Santa Clara County ...
      • Can you recommend someone to prune my trees?

        As volunteers for the UC Cooperative Extension, we are not able to recommend commercial services. We recommend finding a certified arborist. The website for the International Society of Arboriculture has a search feature to help locate arborists who ...
      • Sheet mulching

        The easiest way to replace a lawn with low water plants may be to plant on top of the lawn. Sheet mulching is a process for covering a lawn to do just that. It can be used to kill weeds as well. Sheet mulching is using cardboard or newspaper (2 or ...
      • Citrus Tree Problems

        If you have problems with a citrus tree—including orange, lemon, lime—UC has resources that may help: Citrus Diseases and Disorders of Leaves and Twigs covers a range of problems including branch dieback, sooty mold, yellow leaves, and more. This ...