Black-Eyed Susan (Rudbeckia hirta)

Black-Eyed Susan (Rudbeckia hirta)

Rudbeckia hirta, commonly called black-eyed Susan, is a recognizable North American flowering plant in the Asteraceae (Aster) family that is native to much of Eastern and Central North America, and it has been found in all 10 Canadian Provinces and in all of the lower 48 States.

The specific epithet hirta, is Latin for “hairy”, and refers to the trichomes that occur this plants leaves and stems.

Other common names for this plant include: Brown-Eyed Susan, Brown Betty, Gloriosa Daisy, Golden Jerusalem, English Bull's Eye, Poor-Land Daisy, Yellow Daisy, and Yellow Ox-Eye Daisy.

Rudbeckia hirta is widely cultivated in parks and gardens, for summer bedding schemes, borders, containers, wildflower gardens, prairie-style plantings and cut flowers.

Butterfly Attraction

Butterflies are attracted to Rudbeckia hirta. It is a larval host to the Bordered Patch, Gorgone Checkerspot, and Silvery Checkerspot butterfly species.

Indigenous uses

The plant is thought to be an herbal medicine by Indigenous Americans for various ailments. The roots but not the seedheads of Rudbeckia hirta can be used much like the related Echinacea purpurea with claims to boost immunity and fight colds, flu and infections. The Ojibwa people used it as a poultice for snake bites and to make an infusion for treating colds and worms in children.

Plant Details

USDA Zones: 3-9

Germination Needs: 30 Days Cold Stratification

Life Cycle: Biennial

Sun Exposure: Full to Partial

Soil Moisture: Medium-Wet,Medium, Medium-Dry

Plant Spacing: 1 foot

Height: 2 feet

Bloom Time: June, July, August, September, October

Bloom Color: Yellow

Advantages

Pollinator Favorite: butterflies, moths, bees, wasps, beetles

Bird Favorite: seeds, insects, fruit, nectar, nesting, perchs.

Deer Resistant: Yes

Excellent in the home landscape! 

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Packet quantities:

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