Alphabetical Plant Listing

Rudbeckia hirta (Black-Eyed Susans)

Gloriosa Daisy, Black-Eyed Susan, Yellow Ox-eye Daisy, Brown-Eyed Susan, Brown Betty, Golden Jerusalem, English Bull's Eye, Yellow Daisy (Rudbeckia Hirta)


Rudbeckia hirta, commonly known as Black-Eyed Susan, Gloriosa Daisy, or Yellow-Oxeye Daisy is a cheerful, widespread prairie plant that belongs to the Asteraceae family. It is renowned for its showy golden, orange, or bicolor flowers, adorned with up to 8-20 rays and dark chocolate, dome-shaped cones. Blanketing the landscape with its dazzling bright blossoms for months, it is ridiculously easy to grow and largely trouble-free.

  • Native to central North America, Black-Eyed Susans are annuals or short-lived perennials which grow in prairies, dry fields, open woods, and along road shoulders.
  • Blooming profusely from early summer to frost, Black-Eyed Susans provide weeks of eye-catching color, decorating borders and meadows.

Guide Information

Hardiness 3 - 9
Heat Zones 1 - 7
Climate Zones 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Plant Type Annuals, Perennials
Plant Family Rudbeckia
Exposure Full Sun
Season of Interest Summer
Fall
Height 1' - 3' (30cm - 90cm)
Water Needs Average
Maintenance Low
Soil Type Clay, Loam
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moist but Well-Drained
Characteristics Dried Arrangements, Cut Flowers, Showy
Tolerance Clay Soil, Deer, Drought
Attracts Birds, Butterflies
Landscaping Ideas Beds and Borders, Patio and Containers
Garden Styles Cutting Garden, Informal and Cottage, Prairie and Meadow, Traditional Garden

/ 123RF Stock Photo

While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.

Guide Information

Hardiness 3 - 9
Heat Zones 1 - 7
Climate Zones 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Plant Type Annuals, Perennials
Plant Family Rudbeckia
Exposure Full Sun
Season of Interest Summer
Fall
Height 1' - 3' (30cm - 90cm)
Water Needs Average
Maintenance Low
Soil Type Clay, Loam
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moist but Well-Drained
Characteristics Dried Arrangements, Cut Flowers, Showy
Tolerance Clay Soil, Deer, Drought
Attracts Birds, Butterflies
Landscaping Ideas Beds and Borders, Patio and Containers
Garden Styles Cutting Garden, Informal and Cottage, Prairie and Meadow, Traditional Garden
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