Polygonum amphibium

smartweed - Polygonum amphibium 11AU05

ORDER A PRINT ✔

smartweed - Polygonum amphibium 13AU04-1

ORDER A PRINT ✔

smartweed - Polygonum amphibium 13AU04-2

ORDER A PRINT ✔

characteristics

Perennial with light to deep green leaves with contrasting spikes of bubblegum pink flowers. Water smartweed is a rather variable plant that can grow in water or on shores. Circumpolar.

125,000 seeds/pound; starts from seed, cuttings.

T SSN H W sun soil H2O fire N2 pH summer fall flower (seed)
P W 0.6 0.4 S F-M-C M-Z •• - 4.0-7.0 green brown pink (brown)

habitat

Edges of ponds, marshes, moist fields and ditches.

uses

Seed source for red-winged blackbird, green-winged teal, and other marsh birds. Nectar source for insects.

Used medicinally as an antiseptic.

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common > name = have on site
T = type: A = annual | B = biennial | P = perennial | SS = subshrub | D = deciduous | C = coniferous
██ = cold stratify | ██ = cold stratify & scarify | ██ = plant directly | ██ = scarify | ██ = not from seed
SSN = season: C = cool | W = warm | Y = late
H = height (in metres) | W = width (in metres) | B = bunch | S = sod | SB = sod/bunch
sun: S = full sun | S/PS = sun or partial shade | PS = partial shade | SH = full shade
soil: F = fine | M = medium | C = coarse
H2O = moisture requirement: D = dry | M = moist | W = wet | Z = aquatic
fire = fire tolerance: - = unknown | X = none | = some | •• = moderate | ••• = high tolerance
N2 = nitrogen fixing: = yes
summer = foliage colour | fall = foliage (stem) colour | flower (seed) = flower (seed / fruit) colour, if conspicuous
pH = acidity - alkalinity