Sulphur Cosmos Seeds - Orange Cosmos sulphureus
- Annual; Grows 30-40 Inches
- A vigorous, versatile and resilient wildflower
- Prefers full sun exposure
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
Sulphur Cosmos Seeds "Orange"
This is the classic "sulphur" or simply, "orange" cosmos that is often cited as one of the most stunning of all the meadow wildflowers. An extremely vigorous, resilient, and colorful flower, it is a favorite of both home gardeners and US state Department of Transportation, which plant it in abundance along the highways and bi-ways of the country because of its ability to dazzle. A mid to late season bloomer, it is best appreciated when planted in abundance.
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Fast Facts
Name: Sulphur Cosmos - Orange Botanical Name: Cosmos sulphureus Life Cycle: Annual Color: Bright Orange Bloom Season: Summer/Fall Height: 30-40 Inches, but can reach up to 7 Feet Light Requirement: Sun/Partial Shade Sowing Method: Direct Sow Seeds per Pound: Approx 60,000 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 15 Sq. Ft Ounce Package Up to 80 Sq. Ft 1/4 Pound Package Up to 350 Sq. Ft 1 Pound Sack Up to 1,400 Sq. Ft 5 Pound Sack Up to 7,000 Sq. Ft
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