


Sulphur Cosmos Seeds - Orange
- Popular, vigorous growing annual
- Easy to grow with long-lasting Orange summer blooms
- Thrives in bright, sunny growing areas
Fast Facts
About Sulphur Cosmos Seeds - Orange
Cosmos sulphureus
Buy Cosmos Seeds by the Packet or in Bulk
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 the US state Department of Transportation, which plant it in abundance along the highways and byways of the country because of its ability to dazzle. A mid to late season bloomer, it is best appreciated when planted in abundance.
Fast Facts
About Sulphur Cosmos Seeds - Orange
Cosmos sulphureus
Buy Cosmos Seeds by the Packet or in Bulk
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 the US state Department of Transportation, which plant it in abundance along the highways and byways of the country because of its ability to dazzle. A mid to late season bloomer, it is best appreciated when planted in abundance.
How to Plant Orange Cosmos Seeds
About Cosmos
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!
When to Plant Cosmos Seeds
Plant Cosmos in the Spring when the soil can be worked.
Where to Plant Cosmos Seeds
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.
How to Plant Cosmos Seeds
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.
How to Care for Cosmos
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.
Seed Coverage for Sulphur Cosmos Seeds - Orange
Amount |
Recommended Coverage |
Packet |
Up to 80 Sq. Ft |
1 Ounce |
Up to 625 Sq. Ft |
1/4 Pound |
Up to 2,500 Sq. Ft |
1 Pound |
Up to 10,000 Sq. Ft |