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Botanical Interests

Sea Shells Blend Cosmos Seeds

Sea Shells Blend Cosmos Seeds

Regular price $3.49
Sale price $3.49 Regular price
~0.4 g (~48 seeds)
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Type: Organic Heirloom

Product Details

These charming cosmos with fluted, seashell-shaped petals will be a beautiful addition to your flower patch! In shades of white, pink, rose, and crimson, they make an excellent cut flower. Easy to care for; once established they are drought tolerant. They prefer neglect over attention, making them a perfect choice for wildflower or naturalized areas.

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  • Variety Info
  • Sowing Info
  • Growing Info

Variety Info

Family: Asteraceae

Type: Cosmos (Learn more)

Native: Mexico and Arizona

Hardiness: Annual

Exposure: Full sun

Bloom Period: Summer to frost

Plant Dimensions: 3'-5' tall, 18"-36" wide

Variety Info: 3"–4" solid colored (and a few bi-colored) blossoms of white, pink, rose, and crimson, with rolled, quilled petals surrounding yellow centers

Attributes: Attracts Hummingbirds, Attracts Pollinators, Cut Flower, Drought Tolerant, Deer Resistant

Sowing Info

When to Sow Outside: RECOMMENDED. 1 to 2 weeks after your average last frost date, and when soil temperature is at least 60°F.

When to Start Inside: 4 to 6 weeks before your average last frost date.

Days to Emerge: 5–10 days

Seed Depth: Barely cover

Seed Spacing: A group of 3 seeds every 12"

Thinning: When 1" – 2" tall, thin to 1 every 12"

Growing Info

Harvesting: For longest vase life, harvest in the morning and cut stems just as flower buds begin to open.

4.4
Rated 4.4 out of 5 stars
Based on 23 reviews
Total 5 star reviews: 19 Total 4 star reviews: 0 Total 3 star reviews: 1 Total 2 star reviews: 0 Total 1 star reviews: 3
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23 reviews
  • Sidney S.
    Verified Buyer
    Rated 5 out of 5 stars
    May 11, 2024
    5 Stars

    Love the Cosmos.

    Which best describes you as a gardener? Intermediate
  • Chaka T.
    Rated 5 out of 5 stars
    Aug 19, 2023
    5 Stars

    Absolutely stunning. Robust and beautiful. There is only one bicolor like this but it’s worth it and the others are beautiful too, just not as eye catching. The unique blossoms are perfection. Even the “plain” pale pink ones are beautiful. The tubular shape gives it so much simple depth. I go out and look at it e dry day.

  • Eric W.
    Verified Buyer
    Rated 5 out of 5 stars
    Mar 9, 2025
    5 Stars

    Just planted these today but I love the variety and have confidence they’ll germ.

  • LISA
    Verified Buyer
    Rated 5 out of 5 stars
    Feb 28, 2025
    5 Stars

    Amazing seeds

  • maureen w.
    Verified Buyer
    Rated 5 out of 5 stars
    Nov 14, 2024
    5 Stars

    They were a great flower for late in the summer. Monarchs were drawn to them.

    Which best describes you as a gardener? Beginner