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  • Playing in Nature

  • Groundcovers

    … and use of the site. Will shallow roots from a nearby tree or shrub compete with the groundcover for moisture? Will a dense canopy on a mature shade tree block some rain? Is a roof downspout outlet nearby, … disadvantages of close spacing are a greater risk of plant diseases (if air circulation is poor or conditions stay wet) …

  • Japanese Maple Scale Woody Ornamental Host Plants (EB-1)

    … UMD. nharding@umd.edu MARIE S. ROJAS IPM Scout, Borders & Butterflies STANTON GILL Extension Specialist, UMD-CMREC …

  • Home Gardening

    … Master Gardeners are volunteers who combine their love of plants, people, and the environment to help residents in … Bay healthy, and offer presentations on pollinators, native plants, composting, growing food, and much more! … bees, beetles, wasps, and more!  Many pollinators prefer native plants as their source of food or habitat. We have …

  • Lilac: Identify and Manage Problems

    Common lilac (Syringa vulgaris) Photo: Miri Talabac, HGIC … of flower colors including lilac, purple, white, pink, and a reddish hue.  Lilacs can become bare-bottomed or leggy … 8’ - 12’ tall by 6’-8’ wide. Space them at least 6’ apart. Plant them where they can be enjoyed during the brief …

  • Pest-Predictive Calendar

    … non-UMD pages Phenological sequence of plant flowering and insect events with their associated GDD in Maryland. For more … cherry Prunus sargentii full bloom 140 A Boxwood spider mite Eurytetranchus buxi egg hatch 141 F Double weeping higan … Amelanchier x grandiflora first bloom 179 A Spruce spider mite Oligonychus ununguis egg hatch 179 A Boxwood psyllid …

  • Social News Feed

    … - " Excavators, trenches and bonfires: Montgomery County's bamboo wars, " from the Baltimore Banner 10/7/25 - UME …

  • Minute Pirate Bug: A Beneficial Generalist Insect Predator

    … each wing (Fig 1.). Wings are longer than the body and extend beyond the abdomen. Their mouthparts are constructed … importance of prey availability during egg oviposition. Life Cycle Orius overwinter as adults, and begin to enter diapause …

  • Collecting & Sowing Native Plant Seed

    … UME Updated: November 11, 2025 Key points Collecting seed from native plants is beneficial for preserving local genetics (called … practice. Before collecting seed, consider: What species you would like to grow, and whether they are …

  • Common Soybean Pests in Maryland (FS-2025-0759)

    … pests, defoliators, defoliating caterpillars, flower/pod/seed feeders, and other pests. Some species may fit into more … for common insect and nematode pests throughout the growing season in the Mid-Atlantic region. This chart helps … Nematodes  Figure 2. Root-knot nematode damage on tomato roots. The characteristic galls or swellings on the …