Apocynum cannabinum

Indian hemp - Apocynum cannabinum 07JL04-02
Indian hemp - Apocynum cannabinum 07JL04-01
Indian hemp - Apocynum cannabinum 10JN24

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characteristics

Green leaved perennial with contrasting reddish stems. Small, fragrant, greenish-white, bell-shaped flowers, occur in clusters. Leaves turn bright yellow in the fall. Seedpods are long and narrow. Once mature, they turn dark reddish brown, splitting open to reveal many long white silky hairs to which small seeds are attached. This plant spreads rapidly by roots and tends to form colonies.

All parts of this plant are toxic. A milky latex in the stems can cause blistering.

500,000 seeds/pound; starts from seed, bare root.

T SSN H W sun soil H2O fire N2 pH summer fall flower (seed)
P W 0.4 0.4 S F-M-C DM-W X - 4.5-7.0 green (red) yellow (red) white-green

habitat

Open woods, pastures, roadsides, wooded slopes.

uses

Attracts hummingbirds.

An alternate food source for Monarch caterplliars.

North American aboriginals used the tough fibres in the stem to make rope.

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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