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  • Growing Dwarf Citrus

    … after the danger of frost has passed, place your citrus tree outdoors to receive the maximum amount of sunlight – 8 … You do not need to fertilize in the winter. Flowers & fruits Citrus trees produce fragrant white flowers in the … from one flower and brush it from flower to flower. Citrus fruits ripen at different times of the year, depending on the …

  • Invasives in Your Woodland: Callery Pear (updated 2025)

    … Callerys with Bartletts would make for a blight-resistant tree. The resulting trees were studied for thirty years at a … Forest Service   Image Gallery: Callery Pear Callery pear tree. Note the characteristic V-crotch branch structure. Many …

  • 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 older examples are …

  • 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. …

  • 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 …

  • Invasives in Your Woodland

    … Osage-orange (Vol. 32, no. 4 - Fall 2024) 2023 Princess Tree (Vol. 31, no. 1 - Winter 2023) Chinese and Japanese … 2022) Bull Thistle (Vol. 30, no. 4 - Fall 2022) 2021 Tree-of-heaven (Vol. 29, no. 1 - Winter, 2021, updated 2025) …

  • 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 …

  • 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, …