Cosmos Seeds - Seashells Cosmos bipinnatus
- Annual; Grows 36-48 Inches
- Uniquely shaped, 3 dimensional petals
- Adaptable to both Sun and partial Shade
Availability & Turnaround Time
All seeds are shipped year-round, while flower bulbs are shipped on a seasonal basis. Typical turnaround times for in-stock items is between 2 – 5 business days.
| Category | Shipping Period |
|---|---|
| All Seeds: | |
| Zones 2 – 10 | Year-Round |
| Spring Planted Bulbs & Perennials (Warmest Regions First): | |
| Zones 8 – 10 | Early-Mid March |
| Zones 7 | Mid-Late March |
| Zones 6 | Late March - Early April |
| Zones 5 | Early-Mid April |
| Zones 2 – 4 | Late April - Early May |
| Fall Planted Bulbs & Perennials (Coldest Regions First*): | |
| Zones 2-4 | Mid September |
| Zones 5 | Mid-Late September |
| Zones 6 | Late September |
| Zones 7 | Late September - Early October |
| Zones 8-10 | Early October |
We try our utmost to maintain reliable inventory of all products, and are very proud of our record in doing so. However, as we are a company engaged in what Mother Nature provides, we do sometimes experience shortages and crop failures beyond our control. If, for any reason, we are required to backorder any portion of your order, rest assured we will keep you apprised of updated shipping information and/or any other options that may satisfy your needs and wishes.
Product Description
Cosmos Seeds - "Seashells"
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!
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Fast Facts
Name: Cosmos - Radiance Botanical Name: Cosmos bipinnatus Life Cycle: Annual Color: Pink with Dark Center Bloom Season: Summer / Fall Height: 36-60 Inches Light Requirement: Sun/Partial Shade Sowing Method: Direct Sow Seeds per Pound: Approx 88,904 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.
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Seed Coverage
Amount Recommended Coverage Packet Up to 25 Sq. Ft Ounce Package Up to 125 Sq. Ft 1/4 Pound Package Up to 500 Sq. Ft 1 Pound Sack Up to 2,000 Sq. Ft 5 Pound Sack Up to 10,000 Sq. Ft
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