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Sulphur Cosmos Seeds - Bright Lights Cosmos sulphureus

Buy by the Packet or in Bulk

Unit Size Unit Price Savings Qty
Packet $2.95
1 Ounce Package $7.50
1/4 Pound Package $15.95 47%
1 Pound Sack $31.95 73%
5 Pound Sack $121.95 80%
10 Pound Sack $194.95
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  • Annual; Grows 30-40 Inches
  • A vigorous, versatile and resilient wildflower
  • Prefers full sun exposure

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.

  • Fast Facts

    Name:Sulphur Cosmos - Bright Lights
    Botanical Name:Cosmos sulphureus
    Life Cycle:Annual
    Bloom Season:Summer/Fall
    Height:30-40 Inches, but can reach up to 7 Feet
    Light Requirement:Sun/Partial Shade
    Sowing Method:Direct Sow
    Seeds per Pound:Approx 60,000
    Hardiness Zones:All
    Ships:Year Around
  • 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.

  • Planting Video

  • Seed Coverage

    AmountRecommended Coverage
    PacketUp to 15 Sq. Ft
    Ounce PackageUp to 80 Sq. Ft
    1/4 Pound PackageUp to 350 Sq. Ft
    1 Pound SackUp to 1,400 Sq. Ft
    5 Pound SackUp to 7,000 Sq. Ft

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Product Reviews

Global Rating: 5.00 from 3 reviews

Review By

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


Review By


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.


Review By

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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