Allendan Seed Company

Rudbeckia hirta - Black-eyed Susan

Black-eyed Susan - Rudbeckia hirta
SKU: 124
Return Policy

Black-eyed Susan (Rudbeckia hirta) is a biennial, but it will easily self-seed after blooming onto open soil. Its stems and scattered oval leaves are covered with hairs that give it a rough texture. A well known wildflower of prairies and meadows because of its large 2 - 3 inch wide yellow flowers with dark centers that form at the tops of its stems. It is easy to grow, and with a prolonged blooming period, it greatly attracts butterflies and other pollinators. Native Americans also used the root in a tea to help with the common cold and snakebites.


Soil Moisture:  Dry, Moderate

Sun Exposure:  Full Sun

Height:  1' - 3'

Spread:  1' - 2'

Hardiness Zone:  3 - 10

Bloom Color:  Yellow

Bloom Time:  June, July, August, September

Attracts:  Birds, Butterflies, Pollinators



Rudbeckia is a genus of flowering plants that gets it common name, coneflower, from its distinguished, raised central disc that comes in shades of black, brown, or green. They are all native to North America, and mostly perennial plants but there are some species that are annual/biennial. They are very common in native gardens for their showy yellow flowers that bloom from mid to late summer. Most of the species have been well known to be used by Native Americans, and are rich in phytochemicals that may offer potential pharmaceutical or other medicinal uses.

Return Policy

Returns of standard seed mixes and individual species must be made in the original unopened packaging within 10 days of delivery. If you wish to return live plants, you must do so within 5 days of delivery. Returns of standard mixes, individual species, and live plants are subject to a restocking fee of 25%. Custom seed mixes may not be returned. When returning non-damaged goods, the buyer is responsible for shipping charges, and return shipping may be made by whatever means the buyer selects.

Allendan Seed Company warrants that the seed it sells will conform to the label description as required under state and federal seed laws. The seed labels show independent lab testing results, and the absence of weed seed is not represented or guaranteed. It makes no warranties, expressed or implied, of merchantability, fitness for purpose, or otherwise, which would extend beyond such descriptions. In any event its liability for breach of any warranty or contract with respect to such seed or plants is limited to the purchase price only. Allendan Seed Company further limits to the purchase price any liability of any kind on account of any negligence whatsoever on its part with respect to such seed or plants. By acceptance of the seed or plants, the buyer acknowledges that the limitations and disclaimers herein described are conditions of sale and that they constitute the entire agreement between the parties regarding warranty or any other liability.

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