Cosmo Seeds - Kiiro

Cosmos – Kiiro

~25 Seeds

Cosmos Kiiro is a cheerful twist on a garden classic, blooming in warm shades of buttercream and pale yellow with a soft golden centre. The name “Kiiro” means “yellow” in Japanese, perfectly capturing this variety’s sunny charm.

Its airy foliage and graceful stems give it that effortless cottage-garden look, while the pastel blooms add a calm, romantic touch to borders, pollinator gardens, and cutting beds. Bees and butterflies adore its open, nectar-rich flowers, and its long stems make it a dream for fresh bouquets.

Easy to grow and delightfully low-maintenance, Kiiro thrives in full sun and poor-to-average soil, proving that beauty doesn’t have to be fussy. Once it starts blooming, it just keeps going—right through the summer and into fall. This cosmos variety is perfect for gardeners who love soft, subtle colours that blend beautifully with pinks, whites, and blues in the flower garden. Deadheading encourages even more blooms, but even when left alone, Cosmos Kiiro is pure, sunny magic.

• Attracts bees, butterflies, and pollinators
• Suitable for cut flowers (bouquets)
• Long-blooming and drought tolerant
• Ideal for cottage gardens and borders

Plant Details

• Scientific Name: Cosmos bipinnatus
• Life Cycle: Annual
• Seed Type: Open Pollinated
• Light Requirements: Full sun
• Plant Height: 90–120 cm (36–48 in)
• Seed Depth: 0.6 cm (¼ in)
• Spacing: 30 cm (12 in)
• Bloom Time: Summer to frost
• Days to Maturity: 75–90 days
  
• Germination: 7–14 days at 20–22°C (68–72°F)

Growing Instructions
Sow seeds indoors (preferred) 4–6 weeks before the last frost or direct sow outdoors after danger of frost has passed. Cover lightly and keep soil evenly moist until germination. Transplant or thin to 30 cm (12 in) apart. Cosmos thrive in full sun and well-drained soil—too much fertilizer will reduce blooms. Deadhead regularly to extend flowering and enjoy an abundance of fresh, cheerful blossoms all season long.

FAQ

Q: Can Cosmos Kiiro grow in containers?
A: Technically yes, as long as the container is deep enough for its roots and placed in full sun. BUT - a dwarf variety would be better suited for containers. 

Q: How does Kiiro differ from other cosmos varieties?
A: Kiiro stands out for its soft yellow blooms, a rare and elegant colour among cosmos, offering a warm and delicate alternative to traditional pinks and whites.