Search

  • Climate Change in the Apple Orchard: Sunburn and Blight

    … followed by hot, dry summer weather, has affected apple fruits and apple trees. Sunburn and abnormal red color … was made to prune out blighted shoots. Figure 2 shows a tree which was quite susceptible to blight. In that Figure, the tree had more than 50 blighted shoots. Fireblight …

  • Peach Bronzing: Insights into a Troublesome Skin Disorder

    … observed in both preharvest (when fruit is still on the tree) and postharvest (after a few days of cold storage at … often apply fertilizer annually, regardless of soil and tree needs, potentially leading to nutrient imbalances. … soil potassium levels but only when coupled with high tree transpiration rates induced by excessive pre-harvest …

  • November Gardening Tips and Tasks

    … of your garden (or the backyard). These materials provide winter shelter for butterflies, fireflies, moths, and other … but do not leave a stub.    Topping is not the correct pruning technique to help control the size of a tree. Crown … may be found feeding on the leaves of trees at this time of year.  Research has shown  that this late-season …

  • 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 … help reduce the costs of air conditioning. Plan now for tree selection and placement. The next best time to plant … fruit to become brown and rotted. Promptly remove affected fruits. Irrigate plants evenly and regularly during dry …

  • 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 – … 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. …