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  • Twig Girdlers and Twig Pruners on Trees

    … oak, hackberry, poplar, dogwood, linden, and flowering fruits. Twig pruners are also native longhorned beetles. They …

  • Branching Out - Winter 2024

    … feature, "Native Trees of Maryland," looks at the state tree: the white oak.  "Invasives in Your Woodlands" looks at … Educator The white oak is, without a doubt, a remarkable tree species. The tree is truly an impressive specimen where … and raspberries. This issue’s spotlight falls on a shrub in the rose family that writers describe as very edible …

  • Landscape Management Basics

    … at a maximum depth of 3" and never against the trunk of a tree. Maintain even soil moisture.  Prevent weed growth and … root zone can extend out 2 to 3 times the height of the tree, well beyond the dripline. Check the depth of soil … dead plants. Rake up and dispose of diseased leaves and fruits. Clean up and compost garden debris in the fall. …

  • November Gardening Tips and Tasks

    … Leaves can be raked off of lawns and set aside intact to provide habitat for wildlife. Updated: September 3, 2026 … or straw. Exposed wood is vulnerable to winter damage, when temperatures fall below 20°F for an extended period. Cut … gladiolus, caladium, and tuberous begonia. After digging, remove loose soil from the roots, cut the foliage back to

  • Cucumber Beetles: Spotted or Striped on Vegetables

    … pumpkin, muskmelon) legumes, tomato, ornamentals, and fruits, plus many other weeds and cultivated plants. Striped: … apple, pear, green beans, okra, eggplant, and potato, plus tree and shrub blossoms. Signs/symptoms Larvae eat roots and … seedlings for larvae. Inspect chewed leaves, petals, and fruits for adults (especially leaf and fruit undersides …

  • Brown Marmorated Stink Bug (BMSB) Part 1

    … In Asia, BMSB is known to attack high-value crops, such as tree fruit.   BMSB has spread and become a pest of homes and more recently fruits and vegetables in New Jersey, Maryland, Delaware, West …   BMSB is a “polyphagous” pest whose host range includes tree fruit, ornamentals, hardwood trees, and cultivated crops …

  • Pesticide Safety and Training

    … Blog Provides readers with current information on fruits and vegetables, disease and pest updates, and much … cut flower growers, IPM scouts, and arborists. Learn more Tree and Small Fruit 2026 Spray Bulletin for Commercial Tree Fruit Growers (456-419)  Douglas G. Pfeiffer, Virginia …

  • Boxwood: Identify and Manage Common Problems

    … spot . Be on the lookout for a new invasive insect, box tree moth (Cydalima perspectalis) , which feeds on boxwoods … on boxwood leaves, this could indicate the presence of box tree moth caterpillars. This insect has been found in several … silk webbing and frass (excrement) may be visible  Box Tree Moth   Leaf Spots Dark spots coalesce to brown blotches …

  • Common Stink Bugs of the Mid-Atlantic - Hemiptera: Pentatomidae

    … Two-spotted stink bug: Perillus bioculatus Rough or Tree stink bug: Brochymena spp Description and Life History: … two black oval areas on their shoulders (Fig. 6). Rough or tree stink bugs are often found in fruit trees and other … found in soybean or less often in vegetable fields. Adult tree stink bugs are brown and seem heavily sclerotized …

  • Leaf Key to Common Trees in Maryland (Extension Bulletin #238)

    … native to the state. Others have been imported for their fruits, nuts or ornamental features. By using this bulletin, …