Sensation Dazzler

Cosmos

70d to harvest

Feathery, sky-light petals unfurl in a dazzling spectrum—silky blooms that shimmer from warm rose-pink to bright magenta with a crisp, sunlit center. Sensation Dazzler forms airy, upright plants with a delicate, fernlike texture, producing abundant flowers ideal for long-lasting cut arrangements and standout garden color. Grow it for a season of graceful movement and vivid, high-contrast blooms that draw the eye from every angle.

Crop Dates

Milestone	Date
Start Indoors	Direct Sow
Last Frost	Apr 10th
Transplant / Sow Outdoors	Apr 10th
Harvest Begins	Jun 19th
Harvest Ends	Oct 28th

Crop Details

Trait	Value
Days to Maturity	70
Sun Requirements	Full Sun
Growth Habit	Upright
Support Needed	None
Planting Depth	Surface
Germination Temp (°F)	70
Min Soil Temp (°F)	60
Min Night Temp (°F)	50
Harden Off (days)	Not Required

Recommended Companions

Fireball Marigold

Zahara Starlight Rose Zinnia

Cut And Come Again Zinnia

African Marigold Marigold

Frequently Asked Questions

How often should I water Cosmos bipinnatus during the main growing phase?

During active growth and bud formation, water deeply when the top 1 inch of soil is dry, typically about 1–2 times per week depending on heat and soil drainage. Cosmos bipinnatus tolerates dry spells better than constant wetness, so avoid daily light watering that keeps the root zone soggy. Water at the soil line rather than overhead to reduce foliar disease risk.

How can I tell when Cosmos bipinnatus is ready to harvest?

For cut flowers, harvest when the flower heads are fully open and the ray florets are flat and vivid, not still in tight bud form. If you want continuous blooms, cut flowers regularly beginning around the first large open blooms (about 70 days to maturity) so the plant keeps producing new stems. Harvest in the morning and remove leaves that would sit below the waterline in your vase.