Mammoth Sunflower Seeds for Outdoor Gardens

Beautiful Mammoth Sunflower Seeds

Gorgeous Height and Heft Our Mammoth Sunflower seeds grow extraordinarily tall and majestic sunflowers, reaching heights of 8 to 12 feet. Perfect for creating a striking visual impact in your garden.

Open Pollinated and Years of Reuse These open-pollinated seeds can be saved and replanted year after year, making them a sustainable and economical choice for gardeners.

Harvest Your Own Sunflower Seeds Enjoy the delightful experience of picking and roasting your own sunflower seeds. Each packet contains at least 8 grams (approximately 70 to 80 seeds).

Quick and Easy Germination Germination occurs in just 7 to 14 days, with ideal soil temperatures between 70 and 75°F. Simply plant the seeds 1 inch deep, spacing them 3 feet apart in full sunlight for maximum yield.

Massive Yield and Ideal Growth Mammoth Sunflowers are known for their towering height, growing to 8 to 12 feet tall, with a spread of 2 to 3 feet. They mature within 80 to 90 days, ideal for USDA zones 3 to 9.

Supporting Pollinators and Birds Bees are drawn to the abundant nectar in these sunflowers, aiding in the garden's pollination. Towards the end of the season, birds will relish the dried seeds, adding a natural and sustainable element to your garden.

Easily Cultivated with Expert Support Detailed instructions are included with each packet, and our team is here to assist you with any questions or concerns you may have. Enjoy a successful planting experience with our Mammoth Sunflowers.

Safe and Sustainable Growing Practices Our seed operation is fully solar-powered and committed to selling only fresh, non-GMO, heirloom seeds through the Safe Seed Pledge. Choose our Mammoth Sunflower seeds for safe and sustainable gardening.