Cosmos bipinnatus Dazzler

Noted for its rich color, Cosmos bipinnatus ‘dazzler’ is a half-hardy annual boasting large, open, deep carmine flowers adorned with a contrasting bright yellow throat.

Noted for its rich color, Cosmos bipinnatus 'dazzler' is a half-hardy annual boasting large, open, deep carmine flowers adorned with a contrasting bright yellow throat. Blooming for months from early summer to fall, the ravishing blossoms are borne atop sturdy stems and float above the fine, feathery foliage. Fairly pest-free and low maintenance, add this charming plant to the landscape, and you will be rewarded with abundant butterflies. Creating a graceful visual impact in the garden, this striking Cosmos is perfect for sunny borders or containers. The flowers last well after being cut too!

  • Grows up to 40 in. tall (100 cm) and 24 in. wide (60 cm).
  • Performs best in full sun, in average, moist, well-drained soils.
  • An ideal addition to beds and borders, containers, cottage gardens, and cutting gardens.
  • Keep an eye out for aphids, slugs, and gray molds.
  • Deadhead to prolong the flowering season.
  • Propagate by seed sown at 61°F (16°C) in mid-spring under glass, or in situ in late spring.
  • Cosmos bipinnatus species is native to Mexico.
  • Find where this species is invasive in the United States.
  • Discover beautiful U.S. native plant alternatives.

Requirements

Hardiness 2
– 11

Heat Zones 1
– 12

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
Plant Family Cosmos
Exposure Full Sun
Season of Interest Summer (Early,Mid,Late)Fall
Height 3'
– 4'
(90cm
– 120cm)
Spread 1'
– 2'
(30cm
– 60cm)
Spacing 12″ (30cm)
Water Needs Average
Maintenance Low
Soil Type Chalk, Clay, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moist but Well-Drained
Characteristics Cut Flowers, Showy
Attracts Butterflies, Hummingbirds
Garden Uses Beds and Borders, Patio and Containers
Garden Styles Cutting Garden, Informal and Cottage, Traditional Garden