Skip to product information
An image of the plant grown with seed for Cosmos Dazzler Seeds - Vibrant Carmine Blooms, Ideal for Flower Beds and Borders, Great as Cut Flowers with Long Vase Life, Non-GMO
Maturity

70 Days

Sunlight

Full Sun

Watering

Regular

Difficulty

Easy to grow

Life cycle

Annual

Grow Zones

2 - 11

  • Striking Appearance: Cosmos 'Dazzler' features bold carmine blooms, adding a splash of color to gardens. Height 90-120 cm with a 35 cm spread.
  • Cultivation Needs: Thrives in full sun and well-drained soil; avoid overwatering to prevent rot. Ideal germination at 21°C.
  • Planting Guidance: Start seeds indoors 4 weeks before transplanting or sow directly outdoors in workable soil. Lightly cover seeds and keep moist.
  • Versatile Use: Perfect for flower beds, borders, or as cut flowers€“€“enjoy its beauty indoors with a vase life of 7-10 days.
  • Robust Growth Tips: After germination, maintain a cooler temperature of about 12°C for optimal growth. Fertilize with 10-52-17 formula to enhance root strength.

Experience the vibrant charm of Cosmos 'Dazzler', a stunning addition to any garden with its bold carmine blooms. Perfect for flower beds and borders, these non-GMO seeds are easy to cultivate, making them ideal for gardeners of all levels.

Plant 'Dazzler' in full sun and well-drained soil for optimal growth. With a height of 90-120 cm and a spread of 35 cm, these flowers are not only eye-catching in the garden but also make excellent cut flowers, boasting a vase life of up to 10 days. Transform your space with the effortless beauty of Cosmos 'Dazzler'.

Size
How much seed do I need?

Seeds per gram: 180
Average germination rate: 85%

Package sizes

  • 75 seeds — 64 plants — covers about 64–96 sq. ft.
  • 500 seeds — 425 plants — covers about 425–640 sq. ft.

Plant growth and coverage

  • Upright, branching habit; airy foliage with abundant carmine blooms
  • Height: 90–120 cm (36–48 in)
  • Spread: ~35 cm (14 in)
  • Spacing: 30–35 cm (12–14 in) for full, even coverage
  • Excellent for beds, borders, and cutting (vase life 7–10 days)

Choosing a packet size

  • A 75-seed packet is ideal for home gardeners, small borders, or a few cutting rows, providing a generous flush of blooms without overplanting.
  • The 500-seed packet suits large beds, landscapers, community gardens, or market growers looking for mass plantings and steady harvests for bouquets.
GROWING INSTRUCTIONS

Sow Cosmos 'Dazzler' seeds directly outdoors after the last frost, or start indoors 4 weeks prior. Choose a sunny spot with well-drained soil. Lightly cover seeds and keep the soil moist until germination.

Germination occurs within 7-14 days at temperatures around 21°C. If starting indoors, transplant seedlings once they have a few true leaves and the risk of frost has passed. Harden off by gradually exposing to outdoor conditions.

Once established, Cosmos 'Dazzler' requires minimal care. Water regularly but avoid overwatering. Deadhead spent blooms to encourage continuous flowering. Enjoy as cut flowers with a vase life of up to 10 days.

SHIPPING & RETURNS

In Canada, we use fast shipping from our Canadian warehouses. You can expect delivery in 1-3 days.

In the USA, We use our US warehouses, and you can expect your order in 1-3 days, too.

No postaged lettermail or slow shipping from across the world. No customs fees or orders withheld at the border. Tracking numbers for all orders.

We strive to process and ship all orders in a timely manner, working diligently to ensure that your items are on their way to you as soon as possible. Our return policy covers you for late, damaged or defective products.

Read Our Shipping & Returns Policy

You may also like