Cosmos bipinnatus 'Sensation Series' – Large Cup-Shaped Annual Cosmos

Cosmos bipinnatus 'Sensation Series'

Cosmos bipinnatus 'Sensation Series' (KOZ-mose by-pin-AY-tus) produces extra-large, cup-shaped blossoms up to 3½ inches across in shades of white or pink all summer long.

Noteworthy Characteristics

• Mexican native loved by butterflies
• Excellent cut flowers
• Ideal for cutting garden, mixed border, or annual border

Growing Conditions & Care

Deadhead to prolong flowering, but also leave some seeds to self-sow. Plants are moderately drought and heat tolerant.

Propagation

Sow seed in situ in late spring or at 61°F in mid-spring.

Potential Problems

Stem canker, powdery mildew, Rhizoctonia stem rot, gray mold, aphids.

Quick Reference

• Height: 3–6 ft.
• Spread: 6–12 in.
• Light: Full sun only
• Moisture: Dry to medium
• Maintenance: Moderate
• Bloom Time: Early fall to summer
• Flower Color: Pink, White
• Uses: Beds, borders, cut flowers, cottage gardens
• Type: Annual
• Special: Drought tolerant