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Edible Giant Sunflower Seeds produce tall, impressive plants with large blooms and seed-filled flower heads. Known for their bold height and generous seed production, these sunflowers are ideal for family gardens, wildlife habitats and ornamental borders.
They grow best in full sunlight with regular watering during early growth. Once mature, the plants are hardy and produce large edible seeds suitable for roasting, snacking or feeding wildlife and birds. Their towering structure creates a dramatic display and offers a rewarding growing experience.
A perfect choice for gardeners who want large-scale seasonal flowers with the added benefit of edible seed harvest.
Key Features
Produces large, seed-rich mammoth sunflower heads
Great for roasting, snacking or feeding birds
Excellent for children’s gardens and outdoor learning
Tall, striking growth ideal for garden backdrops
Attracts bees, butterflies and pollinators
Non-GMO seed stock
Specifications
Botanical Name: Helianthus annuus (Mammoth Variety)
Common Name: Giant Sunflower / Mammoth Sunflower
Plant Type: Annual flowering plant
Growth Habit: Upright, tall and structural
Height: 60 – 120 inches (varies by soil, water and sun)
Spread: 18 – 30 inches
Light Requirements: Full sun
Soil Type: Fertile, well-drained garden soil
Water Needs: Regular watering for best head size
Flower Type: Large single sunflower heads
Harvest Use: Edible seeds for roasting or wildlife feeding
Germination Time: 7 – 14 days
Hardiness Zones: USDA 3–10 (grown as annual)
Maintenance Level: Easy
GMO Status: Non-GMO
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