There are a number of invasive plant species in the Central Kootenay.
Download our most recent priority list here (PDF - 44KB)

For more detailed information on the biology, distribution, and management strategy for each species in our region, please see the Invasive Plant Profiles

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Hoary alyssum

Hoary alyssum (Berteroa incana) can be identified by its small white flowers growing on slender stalks, and flattened oval seedpods. Growing up to 70 cm tall, this species is extremely invasive.

Hoary alyssum is toxic to horses, causing swollen legs, laminitis and severe lameness. Consumption of large quantities can cause diarrhea, leading to dehydration, and can cause abortions in pregnant mares. The plant remains toxic after it is dried, and most poisonings are due to contaminated hay.

Small patches of hoary alyssum can be handpulled fairly effectively. Mowing large patches can reduce seed spread, but is not an effective control method. For herbicide options, see Weeds BC info sheet.

In 2005, the CKIPC conducted an inventory of hoary alyssum and found it to be growing throughout the Central Kootenay. It is particularly abundant in Fruitvale, Trail, Robson and Harrop.


Additional Information:
www.weedsbc.ca/weed_desc/hoary_alys ...

Invasive Plant Profile:
Hoary alyssum - Berteroa incana - 804 KB

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