Sensation White

Family: Asteraceae Flower

Planting Schedule

Provide your location or planting zone to unlock dates and add Sensation White to a garden.

Purest cloud-white blooms with a luminous, velvety center—Sensation White Cosmos turns sunlight into a soft halo from early summer through the first cool days.

Each airy, daisy-like flower carries a crisp, paper-thin petal texture that moves beautifully in the breeze, while the finely divided foliage forms a delicate, fernlike backdrop. Ideal for pollinator-friendly gardens, it shines in mass plantings, borders, and cut-flower displays where its clean color and long-lasting bloom rhythm are the main attraction.

Light: Full SunMaturity: 60 DaysHabit: Upright

Botanical illustration of Sensation White

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Sensation White Planting Dates by USDA Zone

Estimated US hardiness-zone windows for sow, transplant, and harvest. Enter a US ZIP above for exact local dates, or open a zone below.

Zone	Start Indoors	Sow / Transplant	Harvest
Zone 1a	Protected Environment Only
Zone 1b	May 11th	Jun 8th	Aug 7th – Aug 1st
Zone 2a	May 4th	Jun 1st	Jul 31st – Aug 29th
Zone 2b	Apr 24th	May 22nd	Jul 21st – Aug 25th
Zone 3a	Apr 24th	May 22nd	Jul 21st – Sep 1st
Zone 3b	Apr 28th	May 26th	Jul 25th – Sep 21st
Zone 4a	Apr 24th	May 22nd	Jul 21st – Sep 24th
Zone 4b	Apr 22nd	May 20th	Jul 19th – Sep 27th
Zone 5a	Apr 17th	May 15th	Jul 14th – Sep 30th
Zone 5b	Apr 13th	May 11th	Jul 10th – Oct 5th
Zone 6a	Apr 10th	May 8th	Jul 7th – Oct 10th
Zone 6b	Apr 4th	May 2nd	Jul 1st – Oct 16th
Zone 7a	Mar 30th	Apr 27th	Jun 26th – Oct 20th
Zone 7b	Mar 20th	Apr 17th	Jun 16th – Oct 28th
Zone 8a	Mar 11th	Apr 8th	Jun 7th – Nov 5th
Zone 8b	Mar 2nd	Mar 30th	May 29th – Nov 12th
Zone 9a	Feb 13th	Mar 13th	May 12th – Nov 26th
Zone 9b	Jan 19th	Feb 16th	Apr 17th – Dec 9th
Zone 10a	—	Oct 1st	Nov 30th – Feb 28th
Zone 10b	—	Oct 1st	Nov 30th – Feb 28th
Zone 11a	—	Oct 1st	Nov 30th – Feb 28th
Zone 11b	—	Oct 1st	Nov 30th – Feb 28th
Zone 12a	—	Oct 1st	Nov 30th – Feb 28th
Zone 12b	—	Oct 1st	Nov 30th – Feb 28th
Zone 13a	—	Oct 1st	Nov 30th – Feb 28th
Zone 13b	—	Oct 1st	Nov 30th – Feb 28th

Crop Details

Trait	Value
Days to Maturity	60
Sun Requirements	Full Sun
Growth Habit	Upright
Support Needed	None
Planting Depth	Normal
Germination Temp (°F)	75
Min Soil Temp (°F)	60
Min Night Temp (°F)	50
Harden Off (days)	7

Culinary Notes

Chef's Note

With its paper-thin, crisp petals and clean, lightly sweet floral taste, this cosmos is a garnish you can actually eat without it turning weedy. Use it at the last second—dressings and heat dull the snap fast, but cold and tangy partners make the flavor read bright and pretty.

Best Uses

as a garnish on chilled plates to keep the paper-thin texture crisp
tossing into fresh green salads right before serving
floating in summer drinks or tea for a clean, floral visual hit

Flavor Profile

lightly vegetal subtly sweet petal-flecked crunch

Kitchen Pairings

lemon goat cheese honey balsamic vinegar champagne vinegar Greek yogurt

Frequently Asked Questions

What pest or disease commonly affects Cosmos bipinnatus (Sensation White), and what should I do if I see it?

Cosmos bipinnatus is often bothered by aphids, which cluster on tender shoots and can cause leaves to curl and look sticky. Rinse plants with a strong stream of water, then spray insecticidal soap if aphids persist for more than a few days. Keep spacing airy and avoid overhead watering to reduce the chance of fungal issues like powdery mildew as foliage thickens.

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

During active growth and flowering, water deeply about 1–2 times per week, letting the top 1 inch of soil dry between waterings. Cosmos tolerate some drought once established, so avoid keeping the soil constantly wet. If plants wilt in the heat but recover by evening, water thoroughly rather than lightly and frequently.

How can I tell when Cosmos bipinnatus (Sensation White) is ready to harvest?

Harvest for fresh cut flowers when the ray florets are fully open and the center disk is mature but not yet browning. For seed, leave heads on the plant until the flower heads dry and turn tan/brown; then cut when seeds feel firm. At about 60 days from sowing, many plants will be in the first bloom window for cut flowers under full sun.