Boundary Invasive Species Society

Himalayan balsam (Impatiens glandulifera) also known as policeman’s helmet, is native to the western Himalayas. This annual herbaceous...

Yellow starthistle (Centaurea solstitialis) is a winter annual that is native to the Mediterranean. Yellow starthistle is in the same...

Yellow toadflax, (Linaria vulgaris) was first introduced to North America in the mid 1800s by a Welsh Quaker named Ranstead. The...

There are 14 native and 14 invasive hawkweeds in B.C. Controlling the invasive hawkweeds is paramount to protecting our native hawkweeds....

Russian olive (Elaeagnus angustifolia) is an invasive tree that is native to parts of Europe and Asia. It was introduced to the central...

Kochia (Kochia scoparia) also know as summer cypress and burning bush is native to Asia and central Europe. It was brought here as an...

Oxeye daisy (Leucanthemum vulgare) is a perennial that grows up to a metre tall. This invasive plant is native to Europe and parts of...

Houndstongue (Cynoglossum officinale) is a biennial invasive plant that is native to Europe. It grows to just over a metre tall. It has...

Blueweed (Echium vulgare) also known as viper’s bugloss was introduced in the Boundary as an ornamental. This invasive plant is native to...

Hoary cress (Cardaria draba) is an invasive perennial herb. It grows up to 0.6 m tall. The seed pods look like inflated, upside down...

The Boundary Invasive Species Society needs your help! Longspine sandbur is an annual grass that has taken a foot hold in Christina Lake...

Field scabious (Knautia arvensis) is also known as blue buttons and pincushion. It is thought to have come to North America as an...

Butterfly Bush (Buddleja davidii) sounds like it would be a great thing to plant. It is not. This plant is native to Asia and is very...

There are four different types of knotweed in our province. Three of which have been found in the Boundary. In 2015 we found giant...

St. John’s wort (hypericum perforatum) is native to Europe, western Asia and northern Africa. It was brought to North America for its...

Yellow archangel (Lamium galeobdolon) is native to the shaded woods of Europe and Western Asia. It was introduced in Canada as a garden...

Knapweed is native to Europe. It is believed that knapweed came as a contaminant in alfalfa seed. Diffuse knapweed was first observed in...

Today we have for you The Mystery of the Rush Skeletonweed. Part of the job of invasive plant management is figuring out how invasive...

A new species in our area is black henbane (Hyoscyamus niger), which is native to the Mediterranean. It is a member of the nightshade...

There are over 20 different species of cinquefoils (potentilla's) found in B.C. three of which are invasive. Today we are going to talk...