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Non-native, invasive plants can pose serious environmental threats. Why invasive plants are successful, their impacts, what the Forest Service is doing to combat non-native invasive plant species, and how you can help prevent their spread.
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- Bittersweets. There are three "bittersweets," and it is important to distinguish between them: oriental bittersweet (Celastrus orbiculatus), American bittersweet (Celastrus scandens), and bittersweet nightshade (Solanum dulcamara).
- Wisteria. As with bittersweet, so with wisteria: The North American grower must distinguish between American wisteria vines (Wisteria frutescens) and their Chinese counterparts (Wisteria sinensis var.).
- English Ivy. If you wished to crowd out weeds in an area of your landscape, you would expect to be delighted to hear about English ivy (Hedera helix), a vigorous, attractive ground cover that tolerates shade.
- Sweet Autumn Clematis. Like the preceding three vines, sweet autumn clematis (Clematis terniflora) is another of those "good-looking" specimens that can overwhelm a landscape.
Oct 2, 2023 · An invasive plant may cover and smother native vegetation, grow and spread faster than native plants, and be very difficult to control once established. Invasive plants have been known to clog waterways, increase the frequency of wildfires, and reduce natural species diversity.
Invasive alien plants threaten native species and habitats by competing for critical and often limited resources like sunlight, water, nutrients, soil and space. They succeed through vigorous growth, prolific reproductive capabilities and by causing changes that favor their growth and spread.
Learn about six common invasive plants and get suggestions for native stand-ins to plant instead.
Invasive plants are harmful non-native trees, shrubs, and herbaceous plants that are spread by global trade, human and animal transport, and gardening. They invade forests and prevent native plants from growing, which can have negative impacts on how ecosystems function, on native vegetation, and native wildlife.
A New Way to Stop Invasive Pests – Clean Recreation. Read more. Preventing or reducing undesirable impacts of non-native invasive plants is a difficult challenge facing all land managers. Non-native invasive plants impact landscapes across the U.S. through changes in the structure, composition, and successional pathways of native plant ...
