Alphabetical Plant Listing

Rudbeckia hirta 'Denver Daisy' (Black-Eyed Susan)

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


Rudbeckia hirta 'Denver Daisy' is a compact, biennial or short-lived perennial, usually grown as an annual, boasting large, golden flowers, 3-4 in. across (7-10 cm), adorned with rich mahogany and a dark chocolate cone. Blooming profusely from early summer to frost, it provides weeks of eye-catching color and makes a guaranteed garden attraction. The delightful blossoms rise atop sturdy, upright stems that do not flop, even under adverse weather conditions. Heat tolerant, it is a great addition to borders or containers and makes excellent cut flowers. Its seed heads have good winter interest unless they are used in dried arrangements. Bred by Ernst Benary Seeds to commemorate the 150th anniversary of the city of Denver.

  • Recipient of the Grand Prize winner of the 2010 American Garden Award.
  • Grows in upright clumps up to 18-24 in. tall (45-60 cm) and 12-18 in. wide (30-45 cm). May survive up to a few seasons but will self-seed and remain in the garden.
  • Thrives in full sun in average, medium moisture, well-drained soils. Drought tolerant once established.
  • Ridiculously easy to grow and largely trouble-free, this rudbeckia is a great candidate for mixed borders, cutting gardens, or as an accent plant when planted in mass.
  • Deer-resistant, the flowers are attractive to pollinating insects, butterflies, and birds.
  • Remove and discard spent flowers to encourage extended blooming and prevent unwanted seedlings next season.
  • Easily propagated by seed.
  • Rudbeckia hirta is native to Eastern and Central North America.

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Requirements

Hardiness 5 – 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 Rudbeckia
Exposure Full Sun
Season of Interest Summer (Early,Mid,Late)
Fall
Height 1' – 2' (30cm – 60cm)
Spread 1' – 2' (30cm – 60cm)
Spacing 18" – 24" (45cm – 60cm)
Water Needs Low, 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, Dry Soil
Attracts Bees, Birds, Butterflies
Garden Uses Beds and Borders
Garden Styles Cutting Garden, Informal and Cottage, Prairie and Meadow, Traditional Garden

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Great Plant Combination Ideas with Rudbeckia

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Pictures are courtesy of Benary

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.


Requirements

Hardiness 5 – 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 Rudbeckia
Exposure Full Sun
Season of Interest Summer (Early,Mid,Late)
Fall
Height 1' – 2' (30cm – 60cm)
Spread 1' – 2' (30cm – 60cm)
Spacing 18" – 24" (45cm – 60cm)
Water Needs Low, 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, Dry Soil
Attracts Bees, Birds, Butterflies
Garden Uses Beds and Borders
Garden Styles Cutting Garden, Informal and Cottage, Prairie and Meadow, Traditional Garden

Great Plant Combination Ideas with Rudbeckia

Guides with Rudbeckia

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