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Polygonum spp.

Common Name(s):
Knotweed
Category:
Perennials
Comment:

About 150 species of Knotweed or Smartweed are known, and most are weeds of disturbed, moist areas. In the garden species and hybrids of Polygonum are interesting and beautiful with a long bloom season and compact or spreading growth forms.

Season:
Late summer to early fall
Height:
6-24 in.
Flower Color:
Pink, rose red, white
Hardiness:
USDA Hardiness Zone 4-7 or 8
Propagation:
Division spring or fall
Exposure:
Full sun
Soil:
Moist soil
Regions:
Mountains, Piedmont, Coastal Plain
Origin:
USA, Europe, Asia, hybrid origin
Tags:
pink, sun, summer, perennial, fall, white

NCCES plant id: 765

Polygonum spp. Polygonum spp.