SproutSmart
SproutSmart™ Intelligent Garden Sowing

Double Click Cranberries

Family: Asteraceae Flower

Planting Schedule

Provide your location or planting zone to unlock dates and add Double Click Cranberries to a garden.

Velvety petals unfurl in a crisp, layered bloom—pure, show-stopping color with a soft, satin sheen that seems to glow at the garden’s edge.

Double Click Cranberries forms dense, double cosmos flowers on sturdy stems, creating a lush texture that holds beautifully as a cut flower and makes beds and borders look richly finished. Expect dependable, long-lasting color from early summer through fall, with blooms that invite repeated admiration in every glance.

Light: Full SunMaturity: 70 DaysHabit: Upright

Botanical illustration of Double Click Cranberries

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Double Click Cranberries 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 Protected Environment Only
Zone 2a Apr 13th Jul 6th Sep 14th – Aug 29th
Zone 2b Apr 3rd Jun 26th Sep 4th – Aug 25th
Zone 3a Apr 3rd Jun 26th Sep 4th – Sep 1st
Zone 3b Apr 7th Jun 30th Sep 8th – Sep 21st
Zone 4a Apr 3rd Jun 26th Sep 4th – Sep 24th
Zone 4b Apr 1st Jun 24th Sep 2nd – Sep 27th
Zone 5a Mar 27th Jun 19th Aug 28th – Sep 30th
Zone 5b Mar 23rd Jun 15th Aug 24th – Oct 5th
Zone 6a Mar 20th Jun 12th Aug 21st – Oct 10th
Zone 6b Mar 14th Jun 6th Aug 15th – Oct 16th
Zone 7a Mar 9th Jun 1st Aug 10th – Oct 20th
Zone 7b Feb 27th May 22nd Jul 31st – Oct 28th
Zone 8a Feb 18th May 13th Jul 22nd – Nov 5th
Zone 8b Feb 9th May 4th Jul 13th – Nov 12th
Zone 9a Jan 23rd Apr 17th Jun 26th – Nov 26th
Zone 9b Dec 29th Mar 23rd Jun 1st – Dec 9th
Zone 10a — Oct 1st Dec 10th – Feb 28th
Zone 10b — Oct 1st Dec 10th – Feb 28th
Zone 11a — Oct 1st Dec 10th – Feb 28th
Zone 11b — Oct 1st Dec 10th – Feb 28th
Zone 12a — Oct 1st Dec 10th – Feb 28th
Zone 12b — Oct 1st Dec 10th – Feb 28th
Zone 13a — Oct 1st Dec 10th – Feb 28th
Zone 13b — Oct 1st Dec 10th – Feb 28th

Crop Details

TraitValue
Days to Maturity70
Sun RequirementsFull SunFull sun
Growth HabitUpright
Support NeededNone
Planting DepthSurface
Germination Temp (°F)70
Min Soil Temp (°F)60
Min Night Temp (°F)50
Harden Off (days)7

Frequently Asked Questions


What pest or disease commonly affects Cosmos bipinnatus, and how can I stop it?
Cosmos bipinnatus (Asteraceae) is often bothered by aphids, which cluster on new growth and can leave plants sticky before they weaken. Spray affected tips with a strong jet of water, then apply insecticidal soap if you still see active colonies. If you notice powdery white patches (a common fungal issue in crowded, humid plantings), thin plants for airflow and avoid wetting the foliage when watering.
How often should I water Cosmos bipinnatus during the main growing phase?
During active growth, water deeply about 1–2 times per week, aiming to keep the soil evenly moist but not soggy. Let the top 1 inch of soil dry slightly between waterings, because cosmos performs poorly in persistently wet conditions. In full sun, newly established seedlings may need more frequent checks, but once established switch to deep, infrequent watering.
How do I tell when Cosmos bipinnatus is ready to harvest?
Cosmos bipinnatus flowers are ready when blooms are fully open with bright, well-formed petals and look fresh rather than droopy. For cut flowers, harvest in the morning, cutting stems just above a leaf node to encourage more branching. You can expect flowering around 70 days from sowing, and keep harvesting regularly to prolong bloom.