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  • Woodland Garden

    … garden design. The work of clearing out invasive plants, poison ivy, and downed trees began in October. Park staff used heavy …

  • Fall Weed Management

    …   Perennial weeds such as Canada thistle, nutsedge, poison ivy, mulberry, and many perennial grasses are especially …

  • September Tips and Tasks

    … cultivars. No chemical control is necessary. Miscellaneous Poison ivy  leaves will begin to turn red this month. Don’t be …

  • Garden Gateway Into The Past

    … discovery of the soapwort growing amongst the weeds and poison ivy led Frick and Gates to research Victorian era laundering … Frick and Gates were able to tame the weeds, remove the poison ivy, build the raised beds, manage the wildlife, and …

  • Glyphosate (Roundup®) Information and Alternatives for Weed Management

    … Oriental bittersweet, etc.), or pose a human health risk (poison ivy).  If you decide to use an herbicide... Select a product …

  • Weeds

    … fool's) parsley ( Aethusa cynapium ) 16May27 Foxtail, giant 21Oct08   19Sep26 Foxtail, yellow 23Jun30 17Sep29 … rain and temperature 20Oct30 Hog peanut 16Sep16 Hogweed, giant 18Jun22 17Aug18, 17Jun09 Horsenettle 23Jul14   19Jun14 … common 23Aug11 Queen Anne's Lace ( Daucus carota ) 18Jun22 Ragweed, common 23Sep22 17Oct13 Rose, multiflora 18Oct26 …

  • Invasive Plants to Avoid Buying for your Yard and Garden in Maryland