Cosmos Sensation Mixed Colors Heirloom

This tall, showy annual produces masses of brightly colored flowers from midsummer until frost. Plants do well in hot, dry locations and are generally deer resistant. Very hardy and easy to grow. It won an All America Selections award in 1936.

Planting & Harvesting

Seed Depth: 1/4″ (6mm)

Spacing: 2″ (5cm)

Sprouts In: 6-10 days

Thinning: 12″ (30cm)

Plant in average soil in a location with full sun to part shade in spring after danger of frost, or in the fall in mild climates. Keep young plants evenly moist and well weeded until established. Tolerates poor soil, heat, and drought.

Cut flowers regularly to encourage more blossoms.

Additional Information

Botanical Name: Cosmos bipinnatus

Height: 3-6′ (1-2m)

Bloom Period: summer

Type: hardy annual

Attributes: AAS winner