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Priority Plants

Since time and funding are limited for all jurisdictions dealing with invasive species, the ISCMV provides a priority invasive plant list which can be helpful in making smart management decisions. Species that are particularity aggressive, not yet widespread, or pose a public health risk are considered high priority species.

Click here to access the current regional priority plant list. Please note that this list is currently undergoing rigorous review by the ISCMV Technical Committee with the support of a professional biologist; the updated list will be available in the summer of 2017.

Common Periwinkle

Common periwinkle (Vinca minor) is a small evergreen plant with showy white or purple flowers. This invasive plant is capable of forming dense mats which supress native plant...learn more

Daphne

Although it has a poisonous sap, Daphne or Spurge-Laurel (Daphne laureola), is a top ornamental pick for gardens. This species can be purchased at a number of garden...learn more

English Ivy

English ivy (Hedera helix) is an evergreen vine that is recognized as a serious, smothering invasive in much of southwestern BC. It is commonly planted to...learn more

Giant hogweed

Giant hogweed (Heracleum mantegazzianum), also known as “Giant Cow Parsnip,” is a perennial and currently distributed in the Lower Mainland, Fraser Valley, Gulf Islands, and central...learn more

Himalayan Blackberry

Himalayan blackberry (Rubus armeniacus) is mostly a biennial plant, growing on disturbed sites, along roadsides and rights-of-ways, in pastures, along river and stream banks, fresh-water wetlands,...learn more

Knotweeds

Knotweeds (Polygonum spp.) are invasive perennials, with four species found in British Columbia: Japanese knotweed (Fallopia japonica); Bohemian knotweed (Fallopia x bohemica);...learn more

Orange Hawkweed

Hawkweeds (Hieracium spp.) are perennial plants with 14 non-native species recorded in BC, and are difficult to identify among the 8 native hawkweed species. One of the 14 non-native...learn more

Purple Loosestrife

Purple loosestrife (Lythrum salicaria) is a woody half-shrub, wetland perennial that has the ability to out-compete most native species in BC’s wetland ecosystems....learn more

Scotch Broom

Scotch broom (Cytisus scoparius) is an escaped garden ornamental, common west of the Coast-Cascade Mountains in southwest BC, and is concentrated at the southern end of...learn more

Yellow Flag Iris

Yellow flag-iris (Iris pseudacorus) is an eye-catching perennial that creates dense stands in wet areas, excluding native wetland species and threatening plant and animal diversity. Yellow...learn more