Invasive Plants

Often beautiful but deadly, alien plant species are destroying fragile ecosystems, reducing biodiversity, and severely hurting our economy.

Among the worst of the perennial invasive plants is purple loosestrife which destroys wetland nesting and feeding sites.

Other big troublemakers are scentless chamomile and common tansy, both major infiltrators of the Kootenay and Okanagan regions; creeping buttercup, a major problem in agricultural areas; and diffuse knapweed, which produces 400 seeds from one plant in the first year, leading to 160,000 in the second year and potentially 64,000,000 seeds in the third.

• invasive weeds,
• perennials,
• invasive species,
• invasive plants,
• alien plants,
• gardens,
• Plants,