The Invasives Committee of the Conservation Commission was formed to help community members identify and eradicate invasive plants on their properties and on town open spaces. Invasive plants are non-native plants that are disruptive in a way that causes environmental or economic harm, or harm to human health. In Connecticut, the Connecticut Invasive Plants Council has developed a list of non-native plants that cause (or have the potential to cause) environmental harm in minimally-managed areas.
The invasive plants of particular concern, all of which are found in Ridgefield, are listed below. By clicking on the name of the plant species, you will be taken to a downloadable US Department of Agriculture detailed fact sheet on that species.
- Garlic mustard (Alliaria petiolata).
- Japanese barberry (Berberis thunbergii), which harbors ticks.
- Japanese stilt grass (Microstegium vimineum).
- Mile-a-Minute vine (Persicaria perfoliata), which is a very aggressive grower.
- Multiflora rose (Rosa multiflora).
- Oriental bittersweet (Celastrus orbiculatus) whose vines choke trees.
- Phragmites (Phragmites australis) a wetland grass that diminishes the diversity of water bodies.
- Purple loosestrife (Lythrum salicaria), which is a wetland plant.
- Winged euonymus, also commonly known as Burning bush (Euonymus alatus), which decreases diversity in our woodlands.
The committee is also on the lookout for two destructive non-native beetles:
We welcome questions from the public about any of these invasive plants and beetles, and any others you may find on your property. Please contact us at 203-431-2713 or email@example.com.
More details on invasive plant species in Connecticut can be found at the UConn website. In particular, check out "Meet the Plants."