

Purple loosestrife (Spike loosestrife, Purple lythrum) is a perennial plant introduced from its native range of Europe and Asia to BC in 1915. Purple loosestrife has a shrub-like appearance, with stiff, four-sided…

English hawthorn was once used to create hedgerows to contain livestock but now invades pastures and grasslands. It is a deciduous bushy, prickly shrub or small tree with white, scented blossoms and deep…

In recent years, the small ground-covering invasive annual called “Shiny Geranium” (Geranium lucidum) has been spreading on Salt Spring Island. Patches of the weed are currently found on Quarry Drive Park, at…