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  • Forest Threats: Insects

  • Elm Leaf Beetle

    … stages of the elm leaf beetle develop on or near the elm tree. Adult beetles are about 1/4 inch long and range in … bark crevices, and in the soil and debris beneath the tree. Pupae are about 3 inches long, orange to yellow and do … that are also attacked. Repeated defoliation may reduce tree vigor and increase susceptibility to more serious pests …

  • Sustainable Gardening: Solutions to Climate Change

    … in Our Changing Climate  introduces the many benefits of tree planting and provides tips for selecting trees. Use …

  • Invasive Species

    … Learn how to identify invasive plants, insects, and diseases and how to manage them in the landscape. About … Herbaceous Plant Control Invasive Shrub Control Invasive Tree Control Invasive Vine and Groundcover Control (PDF)  … Other invasive organisms Invasive Insects Invasive Diseases Invasive Jumping Worms Maryland Grows Blog - …

  • Evergreen Foliage Yellowing

    … needle yellowing occurs towards the interior of the tree. It may occur all at once and it could be quite … very dramatic Fall color and needle drop of bald cypress tree Related information What Causes Trees and Shrubs to Die? …

  • Sudden Oak Death/Ramorum blight

  • Diseases

    … and Nursery IPM Alert (links are set back to 2018)   DISEASES DATE OF REPORT Anthracnose 19May24 (on strawberry) … and Botryosphaeria on Leyland cypress) Cherry shot hole diseases 20Nov13 , 20May22 , 20Apr03 18Jul06 16May13, 16Apr01 … (update), 23Mar31 (disease control) 22Sep09 (late season diseases), 22Mar25   21Aug27 (late season apple diseases), …

  • April Gardening Tips and Tasks

    … tent caterpillars  will begin to hatch and form tents in tree “crotches”, where tree branches fork. Luckily many predators and parasitoids … Repellents are also an effective tool to keep ticks away. Diseases Cedar-apple rust disease forms its galls on …

  • Beginning Fruit Producer Resources

    … monitoring, phenology, production timeline, and more.  Tree Fruits: Organic Production Overview - ATTRA National … List  - includes many guides for the organic production of tree and small fruit (There is a cost for some publications): … nutrition, spraying, pesticides, storage, weeds, insects, diseases and more. Ben Beale, University of Maryland …

  • Vegetable and Fruit News-September 2022

    … trial work and abiotic stress tolerance in sweet corn, diseases of concern in sweet corn and update on sweet corn …