Mammoth Sunflower Seeds
SKU: 1253730
Giant sunflowers up to 12' tall with edible seeds and vibrant blooms.
We'll Notify You When It's Back In Stock
Description
Description
More About the Mammoth Sunflower Seeds
This giant among sunflowers is a fast grower whose single stalk can reach 12' tall produces one 10" to 12" flower! Enjoy its cheery face greeting passers-by and providing birds with fall fare since 1880.

Product Highlights
- Very easy to grow - plants reach 6' to 12' tall
- Grow in a tight row to make an attractive screen
- Sow monthly for continual blooms into fall
- Edible, gray-striped seeds invite birds in the fall (if you don't eat the seeds first!)
- Edible, bittersweet petals make a sunny garnish on salads and appetizer plates
- Attracts pollinators
- Drought tolerant
- Annual full sun - blooms in summer
- Great cut flower
- Open pollinated and untreated
- 6' to 12' tall
Details
Planting Information
- Days to Emerge: 10 to 15 days
- Seed Depth: 1/4" to 1/2"
- Seed Spacing: A group of 3 seeds every 24"
- Thinning: When 3" tall, thin to 1 every 24"
When to sow outside: Recommended: 1 to 2 weeks after your average last frost date.
When to start inside: 2 to 4 weeks before your average last frost date. Sunflowers are sensitive to root disturbance; sow in biodegradable pots that can be planted directly in the ground.