Cosmos Diablo Organic


Vibrant, bold blossoms on tall stems make a big statement in the garden.

Cosmos put on a big show from midsummer until first fall frost, providing pollen and nectar for bees, hummingbirds, and butterflies.

Grows loads of cut flowers for your bouquets.

A great choice for wildflower areas, as they are drought tolerant and practically care-free.

A 1974 All-America Selections winner.

Botanical Name: Cosmos sulphureus

Family: Asteraceae

Native: Mexico

Hardiness: Annual

Plant Dimensions: 4'–5' tall

Variety Information: 1–1½" bright, scarlet/orange blossoms

Exposure: Full sun

Bloom Period: Summer to frost

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

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"

Harvesting: For longest vase life, cut stems just as flower buds begin to open.

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