Asclepias incarnata

swamp milkweed - Asclepias incarnata 07JL15-02
swamp milkweed - Asclepias incarnata 10JL12

ORDER A PRINT ✔

swamp milkweed - Asclepias incarnata 08JL14
swamp milkweed - Asclepias incarnata 11JL07-1

ORDER A PRINT ✔

characteristics

The only wetland milkweed. Perennial with erect stem, green leaves pointed at the tip, rounded at the base. Abundant small, dark pinkish-red, hour-glass shaped flowers. Brownish seed pods persist for winter interest. Self seeds slowly. Adult monarch butterflies like this plant a lot.
This milkweed has become rare in the wild in Manitoba.

All parts are toxic in large quantities.

700,000 seeds/pound; starts from seed, container, sprigs.

T SSN H W sun soil H2O fire N2 pH summer fall flower (seed)
P Y 1.5 0.3 S F-M M-MW - 5.0-8.0 green scarlet magenta

habitat

Swamps, sedge meadows, marshes.

uses

Larval host to both monarch and queen butterflies.
Muskrats like to eat the roots.
Cord is made with fibre from the dried plant.

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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