Canada's Plant Hardiness Site

Choose a species from the list below.

Email us if the plant you wish to report is not listed on the site, or to report any nomenclature errors.

family: Polygonaceae

Persicaria amphibia amphibious knotweed;,swamp smartweed,water smartweed,amphibious bistort
Persicaria arifolia halberdleaf tearthumb,arumleaf tearthumb
Persicaria capitata pinkhead smartweed,pinkhead knotweed
Persicaria careyi Carey's smartweed
Persicaria hydropiper marsh-pepper smartweed,redleaf, biting persicaria,waterpepper
Persicaria hydropiperoides swamp smartweed,false waterpepper,mild waterpepper
Persicaria lapathifolia nodding smartweed,pale smartweed
Persicaria longiseta bristly lady's-thumb,longbristle smartweed,creeping smartweed,oriental lady's-thumb
Persicaria maculosa spotted lady's-thumb,redshank,heartweed
Persicaria microcephala red dragon fleeceflower
Persicaria minor small waterpepper
Persicaria nepalensis Nepal smartweed,Nepalese knotweed
Persicaria orientalis oriental smartweed,prince's-plume knotweed,prince's-feather,kiss-me-over-the-garden-gate
Persicaria pensylvanica Pennsylvania smartweed,pink knotweed
Persicaria polymorpha white fleeceflower,giant fleeceflower
Persicaria punctata dotted smartweed
Persicaria robustior stout smartweed
Persicaria sagittata arrowleaf tearthumb,arrow-vine
Persicaria virginiana Virginia knotweed,jumpseed
Persicaria wallichii Himalayan knotweed,Kashmir plume,cultivated knotweed
Persicaria wallichii var. wallichii Kashmir plume,Himalayan knotweed,cultivated knotweed