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Black-eyed Susan

Rudbeckia hirta

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Category
Forb / Wildflower
Sun
Full to Partial
Soil moisture
Medium-Wet to Medium-Dry
Bloom time
Jun–Oct
Bloom color
Yellow
Notes
Biennial

About Black-eyed Susan

Black-eyed Susan is perhaps the most iconic American wildflower, cherished for its cheerful disposition and ease of growth. This biennial or short-lived perennial typically reaches 1 to 3 feet in height and is covered in rough, bristly hairs on both its stems and leaves. From early summer until the first frost, it produces an abundance of bright yellow daisy-like flowers with distinctive dark brown, dome-shaped centers. Native across nearly the entire North American continent, it is a pioneer species that quickly establishes in prairies, fields, and disturbed areas. It thrives in full to partial sun and is remarkably adaptable to various soil conditions, from medium-wet to dry. Black-eyed Susans are an essential resource for a vast array of pollinators, including bees, butterflies, and beneficial insects. Their ability to self-seed ensures they will return year after year, making them a staple for wildflower meadows and pollinator gardens. No special pretreatment is required for the seeds, making them an excellent choice for direct sowing in the spring or fall.

Native range

Native to 47 states:

AlabamaArkansasCaliforniaColoradoConnecticutD.C.DelawareFloridaGeorgiaIowaIdahoIllinoisIndianaKansasKentuckyLouisianaMassachusettsMarylandMaineMichiganMinnesotaMissouriMississippiMontanaNorth CarolinaNorth DakotaNebraskaNew HampshireNew JerseyNew MexicoNew YorkOhioOklahomaOregonPennsylvaniaRhode IslandSouth CarolinaSouth DakotaTennesseeTexasUtahVirginiaVermontWashingtonWisconsinWest VirginiaWyoming

County range map

BONAP county-level native range map for Rudbeckia hirta

Range map courtesy of BONAP (Biota of North America Program).

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