• Pink and white cosmos seashells mix with rolled petals in a bright garden setting. | copyright: Floramedia UK Ltd
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  • Pink cosmos seashells flowers with rolled petals against a blurred green background.
  • Pink cosmos seashells flowers with tubular petals against a blurred green background.
  • Pink and white cosmos seashells flowers blooming in a bright garden setting.
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Cosmos Seeds - Seashells Mix

A unique variant that has hiding spots for raindrops and critters

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About the Variety

Key Features

Heat Tolerant
Drought Tolerant
Prefers Lean Soil
Container Friendly
Attracts Bees
Attracts Butterflies
Fast Growing
Easy to Grow
Perfect for Cut Flowers
Perfect for Borders
Deer Resistant
Rabbit Resistant

Plant Details

BOTANICAL NAME

Cosmos bipinnatus

LIFE CYCLE

  • Annual

LIGHT REQUIREMENT

  • Full Sun

DAYS TO MATURITY

  • 60 to 90 days

GROWTH HABIT

  • Clumping

PLANT HEIGHT

  • 32 inches

COLOR

  • Mixed

If you desire the exotic, then Seashells are the cosmos seeds for you! The unique petals of this cosmos are shaped like tubed seashells - hence their name. Seashell cosmoses come in pastel shades of pink, rose, carmine and white; plus, they attract birds, bees and butterflies! Their tall stems reach 3 to 5 feet and have ferny leaves. The striking yet easy to grow Seashell cosmos flowers are the perfect choice for those looking to go off the beaten garden path!

  • • Unique annuals with tubular petals
  • • Easy to grow with multi-colored, exotic Summer blooms
  • • Thrives in full sun or partially shaded areas

Planting Information

PLANTING SEASON

  • Spring

SOWING METHOD

  • Direct Sow

PLANTING DEPTH

  • 1/4 inch

WATER NEEDS

  • Low

PLANT SPACING

  • 9 to 12 inches

HARDINESS ZONES

  • N/A - Annual

SEED PREP

  • Requires Light

COVERAGE

Amount Avg Seed Count Recommended Coverage
Packet 160 Up to 80 Sq. Ft
1 Ounce 5,690 Up to 625 Sq. Ft
1/4 Pound 22,760 Up to 2,500 Sq. Ft
1 Pound 91,040 Up to 10,000 Sq. Ft

Planting Guide

View our Cosmos Planting Guide to learn more.

Ready to Grow

We guarantee that our seeds & bulbs will be true to type and ready to thrive. If something doesn't grow as expected, we will make it right. Questions? Call us at 855-440-2929

Cosmos Seeds - Seashells Mix

$5.49

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Cosmos Seeds - Seashells Mix FAQs

What is Seashells Mix Cosmos also known as?

Seashells Mix Cosmos is also known as Mexican Aster.

Is Seashells Mix Cosmos resistant to animals or disease?

Seashells Mix Cosmos is deer resistant, meaning deer generally avoid it due to its taste, texture, or aroma.

What type of seed is Seashells Mix Cosmos?

Seashells Mix Cosmos is an open pollinated seed.

Grown by Our Community • All cosmos