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Invasive 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.
trees covered with English ivy vines
Updated: January 29, 2026

Princess Tree (Empress Tree)

How to identify and manage invasive princess tree (Paulownia tomentosa).
invasive paulownia tomentosa tree with lavender flowers
Updated: January 29, 2026

Privet

How to identify and manage invasive privet (Ligustrum sp.).
Numerous white flower clusters on the branch tips of a privet shrub.
Updated: January 28, 2026

Japanese Honeysuckle

How to identify and manage invasive Japanese honeysuckle.
White (fresh) and yellow (aging) flowers on a Japanese honeysuckle branch.
Updated: January 28, 2026

Chinese and Japanese Wisteria

Identify and manage invasive Wisteria vines.
Flower clusters of Chinese wisteria.
Updated: January 28, 2026

Butterfly Bush

Learn how to identify and control butterfly bush (Buddleja davidii), an invasive plant in Maryland.
Clusters of pinkish-purple flowers on a blooming butterfly bush.
Updated: January 28, 2026

Japanese Barberry

How to identify and manage invasive Japanese barberry.
Tall unpruned hedge of red-leaved Japanese barberry.
Updated: January 28, 2026

English Ivy

How to identify and manage English ivy (Hedera helix).
Invasive English ivy leaves covering the ground
Updated: January 28, 2026

Callery (Bradford) Pear

How to identify and manage invasive callery (Bradford) pear trees.
Numerous callery pear trees growing along a roadside.
Updated: January 27, 2026

Autumn Olive

How to identify and manage invasive autumn olive (Elaeagnus sp.).
invasive autumn olive shrub with creamy white flowers