Category Archives: Public Education

Invasive Plants in Northern Virginia: Canada Thistle

Posted on February 17, 2020 by

Invasive Plants in Northern Virginia: Canada Thistle

Cirsium arvense, (Canada thistle), a native of southeastern Europe and the Mediterranean, was brought to North America in early 1700s, probably as a contaminant of crop seed.  By the end of the century is was already recognized as a noxious weed in crops, and it is now recognized as invasive in open natural areas, such as fields, meadows, wet prairies, and even inhospitable sand dunes, through most of the United States. Continue reading →

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Sustainable Urban Agriculture Certificate Program

Posted on February 15, 2020 by

Registration is now open for the 12-week Sustainable Urban Agriculture Certificate Program. The 12-week (17 modules) course begins March 7 and ends May 30, 2020. Classes will be conducted on Saturdays from 9 a.m. until 3 p.m. on VSU’s Randolph … Continue reading →

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Invasive Plants in Northern Virginia: Japanese Stiltgrass

Posted on February 10, 2020 by

Invasive Plants in Northern Virginia: Japanese Stiltgrass

One of more damaging invasive species in the Mid-Atlantic region, Microstegium vimineum, (Japanese stiltgrass) threatens wooded areas and is increasingly found on farms and in residential areas where it can invade lawns, landscape beds, and vegetable gardens. Continue reading →

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Invasive Plants in Northern Virginia: Multiflora Rose

Posted on February 3, 2020 by

Invasive Plants in Northern Virginia: Multiflora Rose

Another “top ten” invasive plant in Arlington County is multiflora rose (Rosa multiflora), a perennial shrub introduced to the United States from Asia in the 1860s as rootstock for ornamental roses. Continue reading →

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