Cosmos - Key Growing Information

A pristine 'Fizzy White' cosmos bloom raises its head above the foliage and buds of its bed fellows below.
DAYS TO GERMINATION: 7-10 days at 68-72°F (20-22°C)

SOWING: Transplant - Sow into 50-cell plug flats 5-7 weeks before last frost, covering seeds lightly. Harden-off and transplant outdoors after last frost. Direct seed - Sow after last frost, once soil temperature is above 60°F (16°C), covering seeds lightly. Pinching encourages branching.

LIGHT PREFERENCE: Sun.

PLANT HEIGHT: Varies. Tall varieties may benefit from some wind protection.

PLANT SPACING: 9-12". Wider spacing creates stronger, thicker stems.

HARDINESS ZONES: Annual.

HARVEST: Petals just opening, but not yet flattened. Deadheading is required to have blooms all summer.

SOIL REQUIREMENTS: Any soil.

USES: Excellent cut flowers. Beds, containers, and mass plantings.

SCIENTIFIC NAME: Cosmos bipinnatus