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Black Eyed Susan (Rudbeckia hirta)

Common Name Latin Name Plant Family
Black Eyed Susan
Rudbeckia hirta

A yellow dye is obtained from the flowers[257].

  • Medicinal Use

    An infusion of the roots has been used in the treatment of colds, dropsy and worms in children[257]. A warm infusion of the root has been used as a wash on sores and snake bites[257]. The ooze from the roots has been used as drops to treat earaches[257].

  • Edible Use

    None known

  • Cautionary Notes

    This plant is reputed to be poisonous to cattle, sheep and pigs[155].

Cultivation & Habitat

Seed – sow April in a greenhouse. Only just cover the seed. Germination should take place within 2 weeks, prick out the seedlings into individual pots when they are large enough to handle and plant them out in the summer[K]. The seed can also be sown in situ[111].
Succeeds in an ordinary medium soil in sun or shade[111]. Requires a moist soil[1]. Prefers a well-drained soil[188]. Dormant plants are hardy to about -25¡c[187]. This species is a biennial or short-lived perennial[200]. Some named forms have been selected for their ornamental value[200]. Members of this genus are rarely if ever troubled by browsing deer[233].
N. America. An occasional garden escape in Britain[17].

Become ungovernable, break the chains of the matrix; grow and forage your own food and medicine.

*None of the information on this website qualifies as professional medical advice. Take only what resonates with your heart and use your own personal responsibility for what’s best for you. For more information [brackets] [000], see bibliography.