Poison Ivy
… Poison ivy (Toxicodendron radicans). Photo: Ginny Williams Updated: September 18, 2023 Key points Poison ivy, Toxicodendron radicans , is a common native plant found …
How to Identify Poison Ivy
… Young leaves on a poison ivy vine. Photo: Rob Routledge, Sault College, Bugwood.org Updated: September 18, 2023 Poison ivy has compound leaves; each leaf is composed of …
Weed Identification Photos in Maryland
… management. Identify common grassy, broadleaf, or woody weeds using the photos below. Click on the name of the plant to view details and management recommendations. Weeds also can be identified by the season of active growth: spring , summer , and fall . Grassy weeds and sedges Annual Bluegrass Bamboo Bermudagrass …
Summer Weeds
… Thistle Carpetweed Clover Crabgrass Dock Galinsoga Ground Ivy Hedge Bindweed Horsenettle Horseweed Japanese Stiltgrass … Kudzu Lambsquarter Mile-a-Minute Mugwort Pigweed Poison Ivy Pokeweed Prostrate Knotweed Prostrate Spurge Purslane …
Fall Weeds
… Common Cocklebur Hairy Bittercress Japanese Stiltgrass Poison Ivy Pokeweed Ragweed Still have a question? Contact us at …
January Tips and Tasks
… Charles County Master Gardeners. Remove invasive English ivy vines that are growing up on tree trunks. These are … back after the snow/ice melts. Do not handle the hairy poison ivy vines wrapped around trees. Be aware that the offending oil of poison ivy, urushiol, is active and can produce symptoms …
FAQs: Plant and Insect Identification
… Department of Agriculture's Gypsy Moth Program . What does poison ivy look like? How can you tell it from Virginia creeper in the winter? Poison ivy has three leaves. The University of …
Introduction to Invasive Plants in Maryland
… Invasive English ivy vines. Photo: Randy Cyr, Greentree, Bugwood.org Updated: … , wisteria , Japanese honeysuckle , English ivy , and Oriental bittersweet are invasive vines that, … bacteria that poisons aquatic birds that consume it. This poison can move up the food chain, as documented when some …
Home and Garden Sitemap
… Bacterial Leaf Spot and Leaf Blight Disease on English Ivy Fungal Leaf Spot Disease on Flowers Gray Mold Disease on … Bindweed Horsenettle Horseweed Jimsonweed Mugwort Pigweed Poison Ivy How to Identify Poison Ivy Pokeweed Ragweed Velvetleaf Virginia Creeper …
Virginia Creeper
… to egg-shaped, margins toothed; often mistaken for poison ivy which has 3 leaflets and climbs by aerial roots …