Afternoon White
Cosmos Seed
Product ID: 3443
Large, pure white blooms on strong stems.
Afternoon White was bred for cut-flower production. As a tetraploid, it has more substantive flowers and stems. In our trials, it produces strong, straight stems and 2–4" white blooms with bright yellow centers. Early to flower. Blooms are not as profuse as more common cosmos varieties, but the superior stem and flower quality make Afternoon White a good cut-flower choice. Ht. 36–48". Avg. 18,100 seeds/oz. Packet: 50 seeds.
https://www.johnnyseeds.com/flowers/cosmos/afternoon-white-cosmos-seed-3443.11.html
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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
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
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Quick Facts
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Latin Name
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Cosmos bipinnatus
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Days To Maturity
Average number of days from seeding date to harvest, within a specific crop group. If a transplanted crop: average number of days from transplant date. Not sure if crop is direct-seeded or transplanted? Check the Growing Information box for details. If crop can be both direct-seeded or transplanted, days to maturity refers to direct seeding. Days to maturity for all flowers and herbs is calculated from seeding date. -
75 - 90 Days
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Life Cycle
Plants can be Annuals (single growing season), Perennials (grow year after year), Tender Perennials (grow year after year in warmer climates; and in some cases when given special protection in colder climates), or Biennials (require two years to mature). -
Annual
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Hybrid Status
Hybrid: The offspring of a cross between two or more distinct parent lines, usually of same species, and selected for improved traits.
Open-pollinated: A non-hybrid variety that can reproduce itself in kind, demonstrating relatively stable traits from one generation to the next. -
Open Pollinated
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Product Features
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Use for Cut Flowers and Bouquets
- Variety good for fresh cut-flower displays.
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Attracts Beneficial Insects
- Variety attracts and supports pollinators and/or insects that prey on garden pests.
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