RADYAN Full Sun F1 Sunflower Seeds with Large Golden Orange Flowers and Dark Disks by

Full Sun F1 Sunflower seeds produce large 4-6 inch golden orange flowers with clean dark disks, ideal for southern growers targeting winter production. This single stem variety is known for its tall stems and is perfect for high-density plantings. Many sunflowers in this category are bred to be male sterile, resulting in pollen-free flowers that maintain a clean appearance favored by wholesalers and florists.

These sunflowers embody the essence of summer with their bright, cheerful blooms. Their single stem growth habit supports strong, tall plants that are excellent for cut flower markets. This variety is a reliable choice for gardeners seeking vibrant, showy sunflowers with excellent visual appeal.

Growing Information

Soil Temperature: 70-75°F

Germination Lighting: Cover Seed

Germination Days: 4-8 Days

Grow on Temperature Day: 55-60°F

Plant spread: 12-20"

Plant Height: 60-84''

Plant Type: Annual

Seeding Depth: 0.75-1.0"

Weeks from Sowing to Transplant: 4-5 Weeks

Maturation Days: 70 Days

Planting Method: Direct Sow

Seeding Depth: 0.75-1.0" Weeks from Sowing to Transplant: 4-5 Weeks