Rudbeckia hirta

black-eyed susan - Rudbeckia hirta 07JL15-02
black-eyed susan - Rudbeckia hirta 11JL09
black-eyed susan - Rudbeckia hirta 11JL07-1

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characteristics

A coarse, hairy, sometimes weedy short-lived perennial. Daisy-like flowers with golden-yellow rays and contrasting dark purplish/brown central cones make this a somewhat showy plant.

1,575,760 seeds/pound; starts from seed, container; does not transplant well.

T SSN H W sun soil H2O fire N2 pH summer fall flower (seed)
P W-Y 0.6 0.3 S F-M-C M •• - 6.0-7.0 green grey yellow brown

habitat

Open woods, prairies, roadsides, and waste areas.

uses

Provides cover and food for field birds.
Attracts butterflies.
An infusion of the roots has been used in the treatment of colds and as a wash on sores.

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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