Searching for ways to control an agricultural nuisance
Friday, September 6, 2013 - 09:30
in Biology & Nature
Even the name sounds threatening. Known as "dog-strangling vines" in Canada, European swallowworts are invasive vines that can grow to 8 feet in length and wrap around supporting vegetation and smother it. There are two species, pale swallowwort (Vincetoxicum rossicum) and black swallowwort (V. nigrum), and both will colonize disturbed soils and infest nurseries.