Sulphur Cosmos Seeds - Bright Lights Cosmos sulphureus
- Annual; Grows 30-40 Inches
- A vigorous, versatile and resilient wildflower
- Prefers full sun exposure
Shipping Schedule
Seeds are shipped year-round, while perennials & bulbs are shipped seasonally. Pre-ordered bulbs ship at the proper planting time for your zone. Spring pre-orders are placed any time before March 1. Fall pre-orders are placed any time before September 1. These items will not ship immediately, but will be delivered at the ideal time for planting. Orders containing both seeds and bulbs may be split into multiple shipments. Click here for more shipping information.
| Pre-Ordered Spring Bulbs & Perennials | Shipping Begins |
|---|---|
| Zones 9 - 12 | Late February to Early March |
| Zone 8 | Early to Mid March |
| Zone 7 | Mid to Late March |
| Zone 6 | Early April |
| Zone 5 | Late April |
| Zones 2 - 4 | Late April to Early May |
| In-season orders ship immediately at the time of purchase to all zones until inventory is depleted. | |
| Saffron Crocus & Bearded Iris | Shipping Begins |
| All Zones | Late August |
| Pre-Ordered Fall Bulbs | Shipping Begins |
| Zones 2 - 4 | Mid September |
| Zone 5 | Mid to Late September |
| Zone 6 | Late September |
| Zone 7 | Late September to Early October |
| Zones 8 - 12 | Early to Mid October |
| In-season orders ship immediately at the time of purchase to all zones until inventory is depleted. | |
| Pre-Ordered Fall Perennials* | Shipping Begins |
| All Zones | Mid October |
| *Amaryllis Bulbs, Hosta Roots, Lily Bulbs, Papaver Roots, Paperwhite Bulbs, Peony Roots & Siberian Iris Roots | |
Product Description
Sulphur Cosmos Seeds "Bright Lights"
Whoever named this stunning cosmos cultivar got it just right! If you’re looking for a cosmos variety that is both beautiful and unconventional, “Bright Lights” may be for you. An extremely resilient and versatile flower that tends to be very easy to grow from seed.
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Fast Facts
Name: Sulphur Cosmos Seeds - Bright Lights Botanical Name: Cosmos sulphureus Life Cycle: Annual Light Requirement: Full Sun Planting Season: Spring Plant Type: Semi-Double Saucer-Shaped Flowers, Clumping Habit, Pinnatifid Leaf Shape Features: Open Pollinated, Attracts Pollinators, Easy to Grow & Maintain, Fast Growing, Poor Soil Tolerant, Extended Bloom Time, Cut Flower Garden Color: Red, Orange, Yellow Blooms: Summer, Late Summer, Early Fall, Fall Days to Maturity: 60-90 Days Plant Height: 30-40 inches Plant Spacing: 9-12 inches Planting Depth: 1/4 inch Sowing Method: Direct Sow Cold Stratification: No Seeds per Packet: 900 mg Seeds per Pound: 54, 400 Hardiness Zones: 2, 3, 4, 5, 6, 7, 8, 9, 10 Ships: Year Round -
Planting Instructions
How to Plant & Grow Cosmos Flowers from Seeds
This Mexico native is one of the simplest flowers to grow, and they are suitable for all zones. Since they reseed themselves easily, they make perfect additions to wildflower meadows or naturalized areas. Children will love planting their cosmos seeds and watching them grow taller than they are!
Sow your Cosmos seeds in the full sun to partial shade. As cosmos flowers are very adaptable, they can thrive in average to poor soil quality, and they are tolerant to dry conditions. Scatter cosmos seeds outdoors after there is no longer a danger for frost. Seeds can be covered ¼ inch since they do not need light to germinate. Germination will usually occur in just 3 to 5 days, but it can take up to 2 weeks.
Once started, cosmoses require virtually no attention. You can add a general purpose fertilizer once or twice a season. If a plant grows very tall and is not planted in a wind protected area, it may require staking. If you want blooms all summer long, dead head the old blooms.
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Planting Video
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Seed Coverage
Amount Recommended Coverage Packet Up to 80 Sq. Ft Ounce Package Up to 625 Sq. Ft 1/4 Pound Package Up to 2,500 Sq. Ft 1 Pound Sack Up to10,000 Sq. Ft 5 Pound Sack Up to 1.3 Acres
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Product Reviews
Review
very striking wildflower
I plant these in a prairie setting in Michigan. Many people have commented how striking they are plus the are long lasting and will re-seed. easy to grow
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Superb
Great germination rate, drought tolerant, beautiful blooms. Some are towering at over 5'. Mix in with a wildflower field and the hummingbirds, bees, butterflies and birds will remain constant visitors.
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Beautiful bright lights
I have grown pink and white cosmos for years but never had orange ones. They're blooming now are absolutely gorgeous!!
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Sulphur Cosmos Seeds - Bright Lights Cosmos sulphureus
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