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  • Playing in Nature

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

    … Cultivar/Hybrid Common Name FAMILY: Hydrangeaceae     Hydrangea paniculata   panicle hydrangea FAMILY: Lauraceae Genus/Species Cultivar/Hybrid …

  • Groundcovers

    … 2026 Uses and benefits of groundcovers Covering exposed ground with plant growth as a “living mulch” provides … Chameleon Plant ( Houttuynia cordata ) Creeping Charlie / Ground Ivy ( Glechoma hederacea ) Wintercreeper Euonymus ( … If smothering pre-existing weeds with a light-blocking cover (such as landscape fabric or cardboard), remove it …

  • Seminars & Events

    … sessions are scheduled for Saturday mornings, 10 a.m. to noon, at the University of MD Extension office, 330 Montevue Lane. … and wildlife. Join us to learn how to propagate various natives and expand your garden, then take a few plants home. …

  • Home Gardening

    … ST. MARY'S COUNTY MG PROGRAM About St. Mary's County Master Gardeners Our Vision We envision a healthier world … gardens, landscapes, and communities. Our History The UME Master Gardener Program began in 1978 as a means to extend …

  • IPM Vegetable and Fruit Scouting Tips

    … insecticides. Continue scouting for thrips and symptoms of tomato spotted wilt virus. Remove infected plants to reduce … season. Tomatoes Continue scouting for thrips and signs of tomato spotted wilt virus in greenhouse/high tunnel tomatoes. … and whiteflies are prevalent in late season tomatoes. Tomato plants can tolerate large numbers of aphids without …

  • Lilac: Identify and Manage Problems

    … Key points Common lilac ( Syringa vulgaris ) is a woody shrub grown for its extremely fragrant flowers in mid to late … of flower colors including lilac, purple, white, pink, and a reddish hue.  Lilacs can become bare-bottomed or leggy … ‘Charles Joly,’ ‘Sensation,’ and ‘Old Glory’. Japanese tree lilac, Syringa reticulata, a lovely small tree or large …

  • Pest-Predictive Calendar

    … Bridal wreath spirea Spirea x vanhouttei full bloom 123 A Japanese camellia 'Jerry Hill' Camellia japonica 'Jerry Hill' … woolly adelgid Adelges tsugae egg hatch (1st gen) 197 A Japanese camellia 'Jerry Hill' Camellia japonica 'Jerry Hill' …

  • Minute Pirate Bug: A Beneficial Generalist Insect Predator

  • About Master Gardeners