Cosmos “Radiance” is an easy-to-grow annual flower known for its bright, colorful blooms that enhance any garden. This variety is ideal for home gardens, borders, containers, and pollinator-friendly landscapes, attracting bees and butterflies while providing long-lasting visual appeal.
Features:
- Vibrant Blooms: Produces bright, eye-catching flowers throughout the season.
- Pollinator Friendly: Supports bees, butterflies, and other beneficial insects.
- Easy to Grow: Perfect for beginner and experienced gardeners alike.
- Long Blooming Season: Flowers continuously from summer to fall.
- Versatile Planting: Suitable for borders, garden beds, containers, and naturalized areas.
Specifications:
- Scientific Name: Cosmos bipinnatus
- Common Name: Cosmos
- Variety: Radiance
- Plant Type: Annual Flower
- USDA Hardiness Zones: 211
- Light Requirement: Full sun
- Soil Type: Well-draining soil; tolerates average soils
- Watering Needs: Moderate; allow soil to dry slightly between watering
- Planting Season: Spring after last frost
- Bloom Season: Summer through fall
- Mature Height: 2436 inches
- Spacing: 1218 inches apart
- Ideal For: Home gardens, borders, containers, pollinator gardens, and colorful landscaping
Planting Guide:
- Sow seeds directly outdoors after the last frost or start indoors 46 weeks prior.
- Lightly cover seeds with soil and keep evenly moist until germination (714 days).
- Thin seedlings to maintain proper spacing.
- Provide full sun for optimal flowering and vibrant color.
- Deadhead spent flowers to encourage continuous blooms throughout the season.
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