Edible Giant Sunflower Seeds – Grow Mammoth Sunflowers for Backyards, Kids Gardens, Pollinator Spaces & Seed Harvesting

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