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Rudbeckia hirta (Black-Eyed Susan)

Black-eyed Susan, Yellow Ox-eye Daisy, Brown-Eyed Susan, Brown Betty, Golden Jerusalem, English Bull's Eye, Yellow Daisy

Black Eyed Susan, Black Eyed Susans, Rudbeckia hirta, Black-eyed Susan, Yellow Ox-eye Daisy, Brown-Eyed Susan, Brown Betty, Golden Jerusalem, English Bull's Eye, Yellow Daisy

Rudbeckia hirta (Black-Eyed Susan) is a biennial or short-lived perennial boasting brilliant yellow daisylike flowers, 3 in. wide (7 cm) with a dark chocolate center disk. Enjoying a fairly extended blooming season, from early summer to fall, the flowers are attractive to butterflies, birds, and pollinating insects. They are borne atop stiff, upright stems clad with rough, hairy, lance-shaped leaves, 3-7 in. long (7-17 cm). This native prairie plant forms a rosette of leaves the first year, followed by flowers the second year. It will bloom the first year from seed planted in early spring. Black-Eyed Susan self-seeds freely and keeps a presence in the landscape. Putting on a spectacular show in the garden when other plants are starting to fade, Rudbeckia hirta tolerates heat, drought, and a wide range of soils except wet ones. The cheerful blossoms of the Black-eyed Susans are best in natural landscapes where they are allowed to self-sow and roam freely.

  • Grows up to 2-3 ft. tall (60-90 cm) and 1-2 ft. wide (30-60cm).
  • Thrives in full sun in average, dry to moist, well-drained soils. Drought tolerant but responds well to occasional watering. Additional irrigation in a dry year will lengthen the flowering season.
  • Ridiculously easy to grow, Black-Eyed Susan is a great candidate for mixed borders, cottage gardens, cottage gardens or prairies, and meadows. Excellent cut flowers.
  • No serious pest or disease issues. Keep an eye out for powdery mildew, slugs, and snails. Deer resistant.
  • Remove and discard spent flowers to encourage extended blooming and prevent unwanted seedlings next season.
  • Easily propagated by seed in fall or spring. Spring-sown seed should be stratified.
  • Rudbeckia hirta is native to Eastern and Central North America.

 

Black-Eyed Susan: Plant Care and Growing Guide


Here are some tips on how to plant and grow black-eyed susans successfully

Requirements

Hardiness 3 - 9
Heat Zones 1 - 7
Climate Zones 1, 1A, 1B, 2, 2A, 2B, 3, 3A, 3B, 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 Compositae
Genus Rudbeckia
Common names Black-eyed Susan, Brown Betty, Yellow Daisy
Exposure Full Sun
Season of Interest Summer (Early, Mid, Late)
Fall
Height 2' - 3'
(60cm - 90cm)
Spread 1' - 2'
(30cm - 60cm)
Spacing 24" (60cm)
Maintenance Low
Water Needs Low, Average
Soil Type Clay, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moist but Well-Drained, Well-Drained
Characteristics Cut Flowers, Showy
Native Plants United States, Massachusetts, New York, New Jersey, New Hampshire, Maryland, Connecticut, Maine, Delaware, Rhode Island, Pennsylvania, Southwest, Northeast, California, Rocky Mountains, Southeast, Midwest, Pacific Northwest, Illinois, Minnesota, Wisconsin, South Dakota, Nebraska, Indiana, Iowa, Kansas, Missouri, North Dakota, Ohio, Michigan, Oregon, Washington, Idaho, Arkansas, Kentucky, Georgia, Florida, Mississippi, Alabama, Virginia, Tennessee, South Carolina, North Carolina, Louisiana, West Virginia, Texas, New Mexico, Oklahoma, Utah, Wyoming, Colorado
Tolerance Drought, Deer, Dry Soil, Clay Soil
Attracts Bees, Birds, Butterflies
Garden Uses Beds And Borders
Garden Styles Informal and Cottage, Prairie and Meadow
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Alternative Plants to Consider

Rudbeckia hirta ‘Goldilocks’ (Black-Eyed Susan)
Rudbeckia hirta ‘Irish Eyes’ (Black-Eyed Susan)
Rudbeckia triloba ‘Blackjack Gold’ (Brown-Eyed Susan)
Rudbeckia fulgida ‘American Gold Rush’ (Black-Eyed Susan)
Rudbeckia maxima (Giant Coneflower)
Rudbeckia hirta ‘Amarillo Gold’ (Black-Eyed Susan)

Recommended Companion Plants

Asclepias tuberosa (Butterfly Weed)
Asclepias verticillata (Whorled Milkweed)
Coreopsis tripteris (Tall Tickseed)
Echinacea purpurea (Purple Coneflower)
Liatris aspera (Rough Blazing Star)
Sorghastrum nutans (Indian Grass)

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Rudbeckia hirta (Black-Eyed Susan)
Rudbeckia fulgida (Black-Eyed Susan)
Black-Eyed Susan: Plant Care and Growing Guide
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.
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Requirements

Hardiness 3 - 9
Heat Zones 1 - 7
Climate Zones 1, 1A, 1B, 2, 2A, 2B, 3, 3A, 3B, 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 Compositae
Genus Rudbeckia
Common names Black-eyed Susan, Brown Betty, Yellow Daisy
Exposure Full Sun
Season of Interest Summer (Early, Mid, Late)
Fall
Height 2' - 3'
(60cm - 90cm)
Spread 1' - 2'
(30cm - 60cm)
Spacing 24" (60cm)
Maintenance Low
Water Needs Low, Average
Soil Type Clay, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moist but Well-Drained, Well-Drained
Characteristics Cut Flowers, Showy
Native Plants United States, Massachusetts, New York, New Jersey, New Hampshire, Maryland, Connecticut, Maine, Delaware, Rhode Island, Pennsylvania, Southwest, Northeast, California, Rocky Mountains, Southeast, Midwest, Pacific Northwest, Illinois, Minnesota, Wisconsin, South Dakota, Nebraska, Indiana, Iowa, Kansas, Missouri, North Dakota, Ohio, Michigan, Oregon, Washington, Idaho, Arkansas, Kentucky, Georgia, Florida, Mississippi, Alabama, Virginia, Tennessee, South Carolina, North Carolina, Louisiana, West Virginia, Texas, New Mexico, Oklahoma, Utah, Wyoming, Colorado
Tolerance Drought, Deer, Dry Soil, Clay Soil
Attracts Bees, Birds, Butterflies
Garden Uses Beds And Borders
Garden Styles Informal and Cottage, Prairie and Meadow
How Many Plants
Do I Need?
Explore Great Plant Combination Ideas
Rudbeckia
Guides with
Rudbeckia
Not sure which Rudbeckia to pick?
Compare Now

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