Dhara Seeds
Cosmos atrosanguineus Flower Seeds for Planting – Black Magic Variety
$16.99
Unit price perEstimated Free Delivery between July 02 and July 05.
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Growing Instructions
Cosmos atrosanguineus, commonly called Black Magic Cosmos, features deep, velvety dark blooms that bring drama and elegance to any garden. Ideal for home gardens, borders, or pollinator-friendly spaces, these flowers attract butterflies and other beneficial insects.
Features
• Striking deep dark blooms for unique garden aesthetics
• Ideal for home gardens, borders, and pollinator spaces
• Long-lasting flowers that bloom throughout the season
• Easy-to-grow seeds suitable for beginners and experienced gardeners
• Adds contrast and color depth to garden beds and outdoor landscapes
Specifications
Scientific Name: Cosmos atrosanguineus
Common Name (US): Black Magic Cosmos
Plant Type: Perennial in warmer climates, annual elsewhere
Flower Color: Dark maroon to nearly black
Plant Height: 18–24 inches
USDA Hardiness Zones: 7–10
Blooming Season: Summer to Fall
Planting Guide
Light Requirements: Full sun for best flowering
Soil Type: Well-draining, fertile soil
Watering: Moderate, keep soil evenly moist
Sowing Depth: Lightly cover seeds with soil
Spacing: 12–18 inches apart for healthy growth
Temperature Range: 60–75°F (16–24°C)
Care Tips: Deadhead spent flowers to encourage continued blooming; ideal for attracting pollinators like butterflies and bees
Non-GMO
Dharaseeds are Non-GMO and free from genetically modified organisms.
High Germination Rate
Tested for high viability to ensure successful sprouting.
Heirloom Variety
Open-pollinated seeds preserved for quality and authenticity.
Chemical-Free
Free from synthetic pesticides, herbicides, and additives.