Cosimo Collarette Cosmos Seeds – 200 Seeds for Semi-Double Blooms

Cosimo Collarette Cosmos is a charming annual flower known for its unique semi-double blooms that feature a contrasting collar of petals around the center. These easy-to-grow plants add a light, airy texture to garden beds, borders, and wildflower meadows. The flowers are attractive to pollinators and make excellent cut flowers, bringing a casual, cottage-garden feel to any landscape.

With 200 seeds, you can create a generous display or share with friends. Cosmos plants are heat-tolerant and thrive in full sun, blooming profusely from summer until frost. Their delicate foliage and abundant flowers provide weeks of color with minimal care.

Plant Features

• Semi-double blooms with a distinct collarette of petals
• Prolific bloomer from midsummer to fall
• Attracts butterflies and other pollinators
• Excellent for cut flower arrangements
• Tolerates heat and poor soil conditions

Growing Information

• Botanical Name: Cosmos bipinnatus
• Plant Type: Annual
• Sunlight: Full sun
• Soil: Well-drained, average to poor soil
• Water Requirements: Moderate; drought-tolerant once established
• Growth Habit: Upright, bushy
• Bloom Season: Summer to fall
• Mature Height: 36-48 inches
• Spacing: 12-18 inches apart

Planting & Care

Sow cosmos seeds outdoors after the last frost date, or start indoors 4-6 weeks before transplanting. Lightly cover seeds with soil as they need darkness to germinate. Keep the soil evenly moist until seedlings emerge, which typically takes 7-21 days at 70-75°F. Once seedlings are a few inches tall, thin them to the recommended spacing.

Cosmos thrives in full sun and well-drained soil; avoid over-fertilizing, as rich soil can lead to excessive foliage and fewer blooms. Water regularly during dry spells, but allow the soil to dry slightly between waterings. Deadhead spent flowers to encourage continued blooming. Tall varieties may benefit from staking in windy areas.

What's Included

200 Cosimo Collarette Cosmos seeds.