Cosmos Atrosanguineus Flower Seeds for Planting – Heirloom & Non-GMO Rare Perennial Garden Flowers
Germination depends on soil, temperature, moisture, and care.
- Free shipping on all orders
- 5–10 business days · Tracked
- 30-day return on unopened packets
- Secure checkout
How to plant these seeds
Plant in a prepared growing area with proper light, suitable soil, and steady moisture. Match sowing time to your local season.
- Choose the right seasonSow during the recommended planting window for your climate so seedlings can establish without stress.
- Prepare the growing areaLoosen the soil, remove weeds and debris, and improve drainage before sowing.
- Check seed depthPlant at the proper depth for the variety, keeping small seeds lightly covered.
- Water gentlyMist or water with a soft flow so the soil stays evenly moist without washing seeds away.
- Thin or transplant carefullyOnce seedlings are strong enough to handle, give each plant room for healthy growth.
Ongoing care schedule
A little consistent attention through the season keeps leaves tender and harvests steady.
- Week 1 — water dailyKeep the seed bed lightly moist while germination completes.
- Week 2 — thin seedlingsRemove the weakest sprouts so remaining plants have room to fill out.
- Week 3 — light feedingWork in a mild balanced fertilizer or compost tea if growth looks slow.
- Week 4 onward — weed and watchKeep beds weed-free and check leaves for early signs of pests.
Shipping details
All seed orders are packed and dispatched with care to protect viability in transit.
- Processing timeOrders ship within 1–2 business days.
- Delivery window5–10 business days, with tracking provided.
- PackagingSeeds are sealed in moisture-resistant foil packets.
- ReturnsUnopened packets may be returned within 30 days of delivery.
Grow beautiful Cosmos Atrosanguineus with these heirloom, non-GMO flower seeds. Known for its rich velvet maroon blooms and elegant appearance, this perennial flowering plant adds lasting color and texture to flower beds, borders, cottage gardens, containers, and landscape plantings. A wonderful choice for gardeners looking to create a vibrant outdoor display throughout the blooming season.
Features
- Heirloom and non-GMO Cosmos Atrosanguineus flower seeds.
- Produces elegant velvet maroon blooms with ornamental appeal.
- Suitable for garden beds, borders, containers, and patio planters.
- Perennial flowering plant that adds long-lasting seasonal color.
- Great for cottage gardens, pollinator-friendly landscapes, and decorative plantings.
Specifications
- Product Type: Flower Seeds
- Plant Name: Cosmos Atrosanguineus
- Seed Type: Heirloom & Non-GMO
- Plant Life Cycle: Perennial
- Flower Color: Velvet Maroon
- Growing Location: Garden Beds, Borders, Containers, Raised Beds
- Light Requirement: Full Sun
- Best For: Ornamental Gardens, Cottage Gardens, Landscape Planting, Patio Containers
- Delivers in 5–10 business days
- Fresh-sealed foil packets
- Open-pollinated, non-GMO
Follow planting instructions for best results.
About this variety
Customer Reviews
Be the first to write a review