Sulphur Cosmos Seeds - Bright Lights

Sulphur Cosmos Seeds - Bright Lights

Size Price Savings Quantity
Packet $4.49
1 Ounce $9.49
1/4 Pound $19.99 47% Savings
1 Pound $52.49 65% Savings
5 Pounds $209.99 72% Savings
10 Pounds $293.99 ($1.83/ounce) 81% Savings
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  • Vibrant gold and orange blooms illuminate any corner of the garden
  • Easy to grow, long-lasting annual
  • Pollinator attractor with long-lasting orange Summer blooms
  • Thrives in bright, sunny growing areas
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Life Cycle Annual
Planting Season Spring
Color Orange
Growth Habit Clumping
Plant Height 30 to 40 inches
Bloom Season Summer through Fall

Plant Characteristics Attracts Bees, Attracts Butterflies, Attracts Hummingbirds, Attracts Pollinators, Easy to Grow & Maintain, Extended Bloom Time, Fast Growing
Use Container Garden, Cut Flower Garden, Landscaping
Growing Conditions Drought Tolerant, Heat Tolerant, Poor Soil Tolerant
Plant Resistance Deer

About Sulphur Cosmos Seeds - Bright Lights

Cosmos sulphureus

Seed Type Open Pollinated Seed
Also known as Mexican Aster

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.

Planting Information

Planting Sulphur Cosmos Seeds - Bright Lights

Planting Season Spring
Seed Prep Requires Light
Sowing Method Direct Sow
Light Requirement Full Sun
Planting Depth 1/4 inch
Plant Spacing 9 to 12 inches
Plant Height 30 to 40 inches
Water Needs Low
Hardiness Zones 2, 3, 4, 5, 6, 7, 8, 9, 10
Days to Maturity 60 to 90 days
View our Cosmos Planting Guide to learn more.


Amount Avg Seed Count Recommended Coverage
Packet 117 Up to 80 Sq. Ft
1 Ounce 3,700 Up to 625 Sq. Ft
1/4 Pound 14,800 Up to 2,500 Sq. Ft
1 Pound 59,200 Up to 10,000 Sq. Ft
5 Pounds 296,000 Up to 1.25 Acres
10 Pounds 592,000 Up to 2.5 Acres

Companions Plants

Companion Plants for Sulphur Cosmos Seeds - Bright Lights