Eden Brothers
Cosmos Seeds - Seashells Mix
Best low-maintenance choice for gardeners seeking unique, pollinator-friendly floral displays.
Discover the exotic beauty of Seashells Cosmos seeds, featuring unique flowers with petals shaped like tubed seashells. These striking annuals bloom in a mixed palette of pastel shades including pink, rose, carmine, and white, providing multi-colored summer blooms that last through fall. They are exceptionally easy to grow, reaching heights of 32 inches with ferny leaves, and are known to attract birds, bees, and butterflies to your garden. Ideal for cut flower arrangements, container gardens, or general landscaping, these drought and heat-tolerant plants thrive in poor soil conditions. This open-pollinated variety offers an extended bloom time for continuous garden interest.
$5.49
Owner Satisfaction
4.7
/ 5
Category Rank
270
/ 5876
#270 in Seeds & Seed Tape
Price vs Category Average
-48%
Below average
Botanical Name
Cosmos bipinnatus
/ Cosmos bipinnatus
Who it's for
- Cut-flower enthusiasts needing a long-lasting seasonal supply
- Gardeners seeking unique textures for floral arrangements
- Busy homeowners wanting low-maintenance, high-reward blooms
Who should skip it
- Perfectionists expecting uniform petal shapes in every bloom
- Gardeners wanting a hands-off, no-staking experience
- Growers who prefer plants resistant to common pests
Performance breakdown
Pollinator Attraction
Highly effective at drawing bees, birds, and butterflies to the garden.
Growth Resilience
Thrives in poor soil and handles heat and drought with ease.
Visual Uniqueness
Distinctive tubular petals offer a rare aesthetic compared to standard cosmos.
Ease of Cultivation
Low-maintenance annuals perfect for beginner gardeners seeking reliable results.
Bloom Longevity
Provides consistent, multi-colored floral interest from early summer through fall.
Versatility
Adaptable for containers, cut flower arrangements, or general landscape borders.
Key Specs
Botanical Name
Cosmos bipinnatus
Seed Type
Open Pollinated Seed
Plant Height
32 inches
Bloom Season
Summer through Fall
Hardiness Zones
2 through 10
Planting Depth
1/4 inch
Plant Spacing
9 to 12 inches
Packet covers up to 80 Sq. Ft.
Features
- Unique tubular petals resemble seashells
- Attracts beneficial pollinators like bees and butterflies
- Effortless to grow and maintain
- Resilient to drought, heat, and poor soil
- Deer resistant for garden protection
- Extended bloom period from summer to fall
- Adds unique visual interest with raindrop-catching petals
- Vibrant multi-colored summer blossoms
What customers say
Cosmos seeds are celebrated for their superior quality and reliability. Customers consistently report outstanding germination rates, often near 100 percent success, highlighting the product's freshness and viability. The resulting Seashells Mix blooms are spectacular and true to the unique ruffled design promised. Gardeners appreciate the ease of planting and the vibrant, healthy flowers that follow. This mix delivers exceptional aesthetic value and performance, making it a highly recommended choice for a beautiful and successful garden.
Know before you buy
The primary difference is the petal structure. Unlike flat-petaled cosmos, this variety features unique, tubular petals that resemble seashells, adding a distinct texture to your garden beds and floral arrangements.
These cosmos are container-friendly and will thrive in pots as long as they have adequate drainage. Given their 32-inch height, ensure your container is large enough to support the plant's growth and provide stability against the wind.
They are exceptionally low-maintenance. Once established, they are heat and drought-tolerant, and they actually prefer poorer soil conditions, meaning you won't need to worry about heavy fertilizing or constant watering.
No, these plants are considered deer-resistant. While they will attract beneficial pollinators like bees, butterflies, and birds, they are generally avoided by deer, making them a good choice for gardens prone to wildlife browsing.
You can expect an extended bloom period from summer through fall. Because they are an open-pollinated variety, they provide continuous color for your landscape for several months.
For the best results, plant them in an area that receives full sun to partial sun. While they are resilient, they perform best and produce the most blooms when they have access to plenty of direct sunlight.
Still have a question?
Ask Hayley anything about this product before you decide.