The Plant Store is now closed for 2023 and will re-open for sales in May of 2024

  • Please see the Using the Plant Library  page  for some tips on how to make the most of the information here to select species for creating a healthy native plant community suited to the conditions of your site.

Persicaria virginiana, Woodland Knotweed

Persicaria virginiana 

Woodland Knotweed

  • Partial to full shade
  • Average to woodland soils, moderate moisture
  • 24” tall, 18” to 24” wide
  • Mid summer to mid fall blooms
  • Native to Ontario, thrives woodland and forest edge settings

New to me this year, grown from seeds from Prairie Moon Nursery https://www.prairiemoon.com/polygonum-virginianum-woodland-knotweed-prairie-moon-nursery.html 

A woodland plant for partially shaded locations that blooms in mid summer to mid fall.

Recommended in Lorraine Johnson’s blog post Ghost Plants about hard to source species deserving of wider planting in Ontario gardens

Please check out the Prairie Moon listing at the link above for more details.

Photo by Fritzflohrreynolds, via Wikimedia Commons

Species that were not sown / aren't being sown for 2023 are marked with an * 
Species that are native to this continent, but not historically native to Ontario are marked with a ~ 
While it rarely comes up, I do reserve the right to limit plant quantities, mostly to help ensure that as many native plant gardens as possible become a reality
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