Cosmos bipinnatus 'Sea Shells Red'
Mexican Aster 'Sea Shells Red', Cosmea 'Sea Shells Red', Cosmos 'Sea Shells Red', Sea Shell Series
Noted for its unusual blooms, Cosmos bipinnatus 'Sea Shells Red' is a half-hardy annual boasting flowers, 3 in. across (7 cm), with fluted petals, carmine red inside, and lavender-pink on the outside. Blooming for months from midsummer to fall, the ravishing blossoms are borne atop tall 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 annual cosmos is perfect at the back of sunny borders.
- Grows up to 48-60 in. tall (120-150 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.
Cosmos: Plant Care and Growing Guide
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Buy Cosmos bipinnatus 'Sea Shells Red'
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 (Mid,Late) Fall |
Height | 4' – 5' (120cm – 150cm) |
Spread | 1' – 2' (30cm – 60cm) |
Spacing | 18" (45cm) |
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 |
J Need, Shutterstock
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 | 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 (Mid,Late) Fall |
Height | 4' – 5' (120cm – 150cm) |
Spread | 1' – 2' (30cm – 60cm) |
Spacing | 18" (45cm) |
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 |