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Invasive Woody Plants
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Invasive Woody Plants
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Updated: August 26, 2024
Introduction to Invasive Plants in Maryland
What are invasive plants and why are they a problem? Here are examples of invasive plants and their impact on people and wildlife.
Updated: June 21, 2024
Weed Identification Photos in Maryland
Identify common Maryland weeds using our extensive collection of photos.
Updated: February 22, 2023
Invasive Species
What are invasive species? How to identify invasive plants, insects, and diseases and how to manage them in the landscape.
Updated: October 23, 2024
Branching Out - Winter 2023
In this issue: Help us learn more about our readers and subscribers by taking our short survey. Read about a potential ally in the fight against hemlock wooly adelgid, and how Marylanders can get a rebate for planting native trees. There's information about our spring session of "The Woods in Your Backyard" online course, plus our regular features: the "Woodland Wildlife Spotlight" looks at the American beaver and "Invasives in Your Woodlands" looks at Princess tree. And don't forget the events calendar and the Brain Tickler challenge.
Updated: October 23, 2024
Tree of Heaven
How to identify and manage invasive tree-of-heaven (Ailanthus altissima).
Updated: August 26, 2024
Removing Invasive Plants and Planting Natives in Maryland
How to Transition an Area from Invasive to Native Plants
Updated: August 12, 2024
Invasives in Your Woodland
Since its debut as a regular Branching Out feature in 2016, "Invasives in Your Woodland" has profiled a wide variety of invasive plant species that threated the health of Maryland's ecosystems.
Updated: June 17, 2024
Japanese Knotweed
How to identify and mange Japanese knotweed using an Integrated Pest Management approach.
Updated: June 10, 2024
Invasive Plants to Avoid Buying for your Yard and Garden in Maryland
Invasive plants that should not be introduced into your yard and garden.
Updated: March 15, 2024
Invasives in Your Woodland: Tree-of-Heaven (Ailanthus)
Tree-of-heaven has been receiving a significant amount of attention lately, and not just because it is a fast-spreading invader of woodlands throughout the mid-Atlantic states and beyond. the recent discovery of a new invasive insect in Pennsylvania, and its subsequent spread into adjoining areas, has lent new voice to advocates for the plant’s removal. Spotted Lanternfly, a recent arrival from Asia prefers tree-of-heaven as its host. This has led to an increased movement to remove tree-of-heaven from the landscape.
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