100+ Mammoth Sunflower Seeds | Giant Helianthus annuus | Tall Pollinator & Privacy Screen Flowers

Grow towering summer blooms with our 100+ Mammoth Sunflower Seeds (Helianthus annuus), a giant variety that can reach heights of 10–12 feet and features large, vibrant yellow flower heads. Perfect for attracting pollinators, creating privacy screens, or harvesting seeds for culinary uses, these easy-to-grow seeds thrive in full sun and well-drained soil, making them an excellent addition to any garden.

• Includes 100+ Mammoth Sunflower (Helianthus annuus) seeds
• Giant sunflowers grow up to 12 feet tall
• Attracts bees, butterflies, and birds
• Ideal for pollinator gardens, privacy screens, and cut flowers
• Non-GMO seeds, suitable for most zones
• Fast-growing with a bloom season in summer to early fall