Invasive Plants: 10 Non-Native Plants To Watch Out For In Your Garden

Japanese Knotweed

This fast-growing, bamboo-like plant can quickly take over an area, pushing out native vegetation. Its roots can be extremely invasive and challenging to control.


Known as "the vine that ate the South," kudzu is a rapidly spreading vine that can cover and smother other plants and structures.

Purple Loosestrife

This attractive flowering plant invades wetlands and displaces native vegetation, negatively impacting ecosystems and reducing biodiversity.

English Ivy

While commonly used as ground cover, English Ivy can become invasive, climbing trees and buildings and suppressing native vegetation.

Garlic Mustard

This biennial plant produces a large number of seeds and spreads quickly, displacing native plants in woodlands and other natural areas.

Chinese Privet

A popular ornamental shrub, Chinese privet can form dense thickets, crowding out native species and disrupting local ecosystems.

Giant Hogweed

This large, toxic plant can cause severe skin irritation. It competes with native vegetation and can be harmful to human health.

Japanese Barberry

This shrub can form dense stands in forests, displacing native plants and altering soil conditions.


These ornamental vines can become invasive, smothering trees and shrubs and displacing native vegetation.

Russian Olive

 Introduced as an ornamental plant, Russian Olive can spread rapidly along watercourses, displacing native plants and altering habitat structure.

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