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  • November Gardening Tips and Tasks

    … Leave the branch collar (swollen area on the trunk of a tree or a larger branch) but do not leave a stub.    … correct pruning technique to help control the size of a tree. Crown reduction, pruning entire branches at their point of origin, is recommended if a tree must be reduced in size.    Protect plants vulnerable to …

  • July Gardening Tips and Tasks

    … Mulch should be applied 1-3 inches deep and kept away from tree and shrub trunks.   If you planted new trees and shrubs … around on evergreen trees and shrubs and be prepared to spray infested trees with the biopesticide,  Bacillus … removing any trash, compost, and recycling. Commercial or homemade fruit fly traps can also be used.    …

  • English Ivy

    … (aerial rootlets) on the stems. English ivy can cling to tree bark, brick, stone, and other textured surfaces. As the … year); clinging vine that smothers ground-level plants and tree trunks as the stems grow upwards Typical mature size: … stems can easily reach 60 feet or more if scaling a tall tree; while growing as a groundcover, the plant typically …

  • Flowering Dogwood

    … 6, 2023 About flowering dogwood Cornus florida Deciduous tree Dogwood family ( Cornaceae) Maryland Distribution: … Uses: Perhaps our most widely-recognized and popular small tree, it is commonly featured in area gardens. Dogwood trees … unlimited root space and occasional irrigation helps the tree avoid stress. Photo: Miri Talabac Pink-flowered cultivar …

  • 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

    … Striped cucumber beetles and spotted cucumber beetles. Photo: Whitney Cranshaw, Colorado State … heads. Adults: Up to 1/4" long with black head. Spotted beetle is yellow-green with 12 black spots on the back. … Cucumber Beetles: Spotted or Striped on Vegetables …