Mammoth Grey Striped Sunflowers represent the ultimate expression of sunflower grandeur, commanding garden landscapes with their towering stature and colossal flower heads spanning 10 to 12 inches in diameter. This distinguished heirloom variety produces a single, exceptionally sturdy stem supporting massive blooms adorned with striking grey striping patterns. The seed heads develop abundantly with large, nutrient-dense seeds that excel for both human consumption and livestock supplementation, offering superior flavor and nutritional profile compared to smaller varieties. These vigorous plants demonstrate remarkable resilience and consistent productivity, making them ideal for serious seed producers and homesteaders seeking substantial yields. The robust architecture supports heavy seed loads without requiring additional staking in most conditions. With a germination rate of approximately 70% or higher, this packet of 25 Non-GMO, heirloom seeds provides reliable establishment and exceptional value. Our sustainably sourced seeds maintain genetic authenticity while our eco-friendly, reusable, and recyclable packaging reflects our commitment to environmental stewardship and climate-conscious gardening practices.

Why Choose Mammoth Grey Striped Sunflowers?

• Impressive Height: Grows 8–12 feet tall, perfect for a dramatic garden display or as a background screen.
• Large Flower Heads: Produces massive 10–12 inch blooms.
• Attracts Pollinators: A magnet for bees, butterflies, and other beneficial insects.
• Loved by Kids: Watch the excitement as these sunflowers grow tall and fast!
• Bird-Friendly: Naturally deters birds from eating seeds as the head matures and turns downward.

Planting Tips for Success

• Direct Sow Only: These sunflowers must be direct sown; they do not transplant well.
• Spacing: Plant seeds 12–18 inches apart for optimal growth.
• Sunlight: Requires full sun for best results.
• Coverage: 100 seeds cover a 10-foot square area; 1 pound covers 1,000 square feet.
• Growth Cycle: Matures in approximately 80 days.

Special Features

• Seed Production: Excellent for harvesting seeds for human snacks or animal feed.
• Heirloom Variety: Passed down for over 75 years with reliable, consistent growth.
• Natural Defense Mechanism: Heads naturally turn downward as they mature to protect seeds from birds.
• Doomsday: Recommended for Doomsday Gardening.

Sustainability You Can Trust

• Non-GMO Seeds: Grown naturally for a sustainable gardening experience.
• Eco-Friendly Packaging: Reusable, recyclable, and climate-friendly materials.
• Freshly Packed: Prepared for the current growing season with high germination rates next year as well.

Why Choose David’s Garden Seeds®?

• Veteran-Owned: Supplying premium seeds since 2009.
• GO TEXAN Certified: Supporting local agriculture and communities.
• Heirloom Seed: Passed down for generations to ensure consistent growth and flavor.
• Freshly Packed: Packed for the current growing season with high germination rates.
  

Order Sunflower Mammoth Grey Striped Seeds Today

Order today and add these garden giants to your space for a vibrant, pollinator-friendly display and a reliable seed harvest.