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Description
japanese flower seeds Cosmos bipinnatus 'Kiiro' SeedsCosmos bipinnatus Kiiro Pastel Yellow Japanese Cosmos Seeds Cosmos bipinnatus Kiiro is a subtle yet striking cosmos variety originating from Japan, cherished for its uniquely soft, pastel color palette. The elegant daisy like petals appear in the lightest shades of pastel yellow, gently blending into cream, peach, and occasional blush pink tones, creating a calm, airy presence in both the garden and floral arrangements. Tall, graceful plants form soft
Cosmos bipinnatus ‘Kiiro’ | Pastel Yellow Japanese Cosmos Seeds
Cosmos bipinnatus ‘Kiiro’ is a subtle yet striking cosmos variety originating from Japan, cherished for its uniquely soft, pastel color palette. The elegant daisy-like petals appear in the lightest shades of pastel yellow, gently blending into cream, peach, and occasional blush-pink tones, creating a calm, airy presence in both the garden and floral arrangements.
Tall, graceful plants form soft clouds of soothing color and are ideal for the back of borders, meadow-style plantings, and cut flower production. A truly distinctive cosmos, Kiiro is loved by gardeners, florists, and pollinators alike.
Every garden should include Cosmos bipinnatus – one of the easiest annuals to grow, generously flowering from early summer until frost.
Plant Information
- Common name: Cosmos Kiiro
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Botanical name: Cosmos bipinnatus
- Life cycle: Annual
- Flower color: Pastel yellow with peachy/pink reverse tones
- Plant height: 90–120 cm (up to 4 ft)
- Location: Full sun
- Flowering period: June – October
- Days to maturity: 60–90 days
- Seed to bloom: 8–12 weeks
Sowing & Germination
- Germinator type: Light germinator
- Pre-sowing indoors: March – April
- Sow outdoors: May – June (after last frost)
- Seed depth: 1/8–1/4" (lightly cover)
- Germination time: 7–14 days (up to 21 days)
- Ideal temperature: 21°C (70–75°F)
- Frost hardy: No
Indoor sowing:
Sow into moist, well-drained seed compost. Lightly cover seeds. Keep at ~21°C. Germination occurs within 1–2 weeks. Transplant seedlings when large enough to handle and grow on under cover. Harden off before planting outdoors after frost risk has passed.
Direct sowing:
Sow directly into moist, well-drained soil once frost danger has passed. Keep soil evenly moist until established.
Growing & Cultivation Tips
- Water regularly, but do not overwater
- Pinch out plants when they reach ~30 cm to encourage branching and more flowers
- Wider spacing helps produce stronger, thicker stems
- Plant spacing: 20–30 cm apart
Why Choose Cosmos ‘Kiiro’?
- Rare Japanese pastel yellow cosmos
- Unique blend of yellow, cream, peach & soft pink tones
- Long, elegant, cuttable stems
- Excellent for borders, flower farms & natural bouquets
- Extremely easy to grow and highly productive
- Pollinator-friendly
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
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Exchange/Return Notes
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