Tree-of-heaven Ailanthus altissima Home 9 2023 9 December ( Page 2 ) What is Ontario Doing? To prevent the further spread and introduction of this unwanted invader into the province, Ontario has regulated tree-of-heaven as restricted under the...
Winged Euonymus Euonymus alatus Home 9 Category: Invaders ( Page 3 ) Background Winged euonymus is a deciduous shrub introduced to North America as a horticultural species from northeastern Asia. Since its introduction to North America in the 1860’s it...
Wild Parsnip Pastinaca sativa Home 9 Category: Invaders ( Page 3 ) Background Wild parsnip is an invasive plant native to Europe and Asia. It was likely brought to North America by European settlers, who grew it for its edible root. Since its...
Wild Chervil Anthriscus sylvestris Home 9 Category: Invaders ( Page 3 ) Background Wild chervil is a herbaceous biennial or short-lived perennial from the parsley family, introduced to North America from Europe. It was first brought to North America as...
Purple Loosestrife Lythrum salicaria Home 9 Category: Invaders ( Page 3 ) Background Purple loosestrife is a wetland plant native to Europe and Asia that was brought to North America the early 19th century. This highly invasive plant was likely...
Kudzu Pueraria montana Home 9 Tag: Kudzu Background Kudzu is a perennial climbing vine native to eastern Asia that was recently found in Leamington, Ontario. The plant was first brought to North America in 1876 to landscape a garden at the United States...
Japanese Stiltgrass Microstegium vimineum Home 9 Invaders 9 Category: Plants ( Page 2 ) Background Japanese stiltgrass is an annual grass native to temperate climates in southeastern Asia. It was first introduced to North America when it was used as...
Japanese Knotweed Fallopia japonica Home 9 Invaders 9 Category: Plants ( Page 2 ) What is Ontario Doing? To prevent the further spread and introduction of this unwanted invader in the province, Ontario has regulated Japanese knotweed...
Japanese Barberry Berberis thunbergii Home 9 Tag: Japanese Barberry Background Japanese barberry is an invasive shrub that is native to Japan. In the 1870’s, seeds of the Japanese barberry were introduced to North America at the Arnold Arboretum in...
Invasive Phragmites Phragmites australis Home 9 Category: Invaders ( Page 4 ) What is Ontario Doing? To prevent the further spread and introduction of this unwanted invader in the province, Ontario has regulated invasive Phragmites as restricted under...
Invasive Honeysuckles Lonicera spp. Home 9 Invaders 9 Category: Plants ( Page 2 ) Background Invasive honeysuckles are herbaceous shrubs native to Korea, Japan and China. In the late 1800’s amur honeysuckles were introduced to North America to the...
Invasive Ground Covers Home 9 Search query for: ground-covers Background Common invasive ground covers (periwinkle, English ivy and goutweed) are found throughout various areas of North America. Native to Europe and Asia, these ground covers were...
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