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  • Invasives in Your Woodland: Canada Thistle

    … both male and female plants. It is considered a noxious weed in Maryland and many other areas across the U.S. It is … more information: Learn more about Canada thistle: Worst Weed in Maryland? - Maryland Invasive Species Council Canada …

  • Maryland Pesticide News

  • Invasives in Your Woodland: Johnsongrass (updated 2025)

    … for a variety of areas, such as selecting expanses of lawn or former agricultural lands that they want to turn into … instances (bottom map). It is characterized as a noxious weed in Maryland. Johnsongrass mid-Atlantic county …

  • Gardener Gallery

    … with natives. She also plans to reduce the size of her lawn and add a second pond. Master Gardener Nilah has … and Mike are standing next to their magnificent Joe Pye Weed. Sharon is working with her neighbors to promote the … the past two years Carolyn has successfully removed all lawn in her front and backs yards transforming the yard into …

  • October Gardening Tips and Tasks

    … plants like zinnias, cosmos, celosia, and butterfly weed to be planted next spring.   Geraniums can be … from sprouting prematurely. Lawns Time is running out for lawn renovation or overseeding. Grass seed should be planted … month.   There is still time to apply fertilizer on your lawn. Look for a fertilizer with zero phosphorus. Apply …

  • Managing City and Suburban Yards and Gardens to Sustain Insect Communities (FS-2022-0633)

    … development by breaking down dead plants and recycling nutrients Increasing air and water flow to plant roots and … pupae, or even as adults, tucked away in tree holes and wood crevices! Insects need to survive the winter in all … and root systems from lawnmower damage. Using stone or wood edging will help prevent leaves from blowing out of the …

  • Branching Out - Winter 2023

    … to care for or expand existing woodlands, or to convert lawn space to woodlands.  The self-directed, non-credit … grasses from trail areas. Volunteers will be trained in identification and tools can be provided. For more … March 25, 2023, 9:00 am - 11:00 am Montgomery County Parks Weed Warriors Sligo Creek Stream Valley Unit 4, Silver Spring …

  • Ask-A-Master Gardener Plant Clinics

    … with the following: Plant, insect, and plant disease identification Weed and bad bug control using sound, sustainable … practices Providing resources on various topics such as lawn care, actions for helping the Bay, and additional …

  • March Gardening Tips and Tasks

    … easily, it’s probably okay to dig! Leaf scorch symptoms  ("winter burn") can appear on broadleaved evergreens. Damage … cherry laurel, or species at their northern limit for winter hardiness (Southern magnolia, Aucuba, Camellia). In many cases, damage occurs during the winter months, but symptoms may not appear until spring, as …

  • Ask a Master Gardener Plant Clinic

    … homeowners to bring plant stem cutting and photos for identification or diagnosis.  Master Gardeners can help … problem and suggest solutions to restore your plant, lawn or garden to good health.  We also offer advice on … Maryland residents grow! Learn timely tips to manage your lawn, ornamental plants, and food gardens, with advice from …