Physostegia virginiana

obedient plant - Physostegia virginiana 11JL24-03
obedient plant - Physostegia virginiana 11JL24-01

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characteristics

Perennial which grows from a taproot: square stems, lanceolate leaves, flowers in terminal spikes. Flower colour may vary: purple-pink, white, lavender. Tubular in shape often with dots or stripes. Flowers can be swivelled and will remain in place; hence the common name. Similar to snapdragons: AKA false dragonhead. A member of the mint family. Rhizomatous: clump forming. Shallow roots make this plant easy to control.

1,014,000 seeds/pound; starts from seed, container, bare root

T SSN H W sun soil H2O fire N2 pH summer fall flower (seed)
P W 1.2 0.2 S/PS M-C DM-M ••• - 5.8-7.8 green brown purple-pink

habitat

Fields, streambanks, rail roads.

uses

Pollinators include: bees, long tongued bees, butterflies and hummingbirds.

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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