Towering Blooms and Edible Seeds!
Mammoth Grey Stripe sunflowers grow up to 12 feet tall and produce huge flower heads with striped seeds. They’re perfect for seed harvests, bird gardens, and dramatic displays.
Variety: Mammoth Grey Stripe Sunflower (Helianthus annuus)
Growth: Warm-season annual
Height: 8–12 feet
Color: Bright yellow petals with striped seeds
Planting: Full sun and well-drained soil
Bloom Time: 70–90 days
Fun Fact: These sunflowers produce edible seeds that are great for roasting or feeding birds.
Grow for edible seeds or towering garden accents. A favorite for kids and wildlife.
🌞 Choose a Sunny Spot: Full sun with fertile soil.
🌱 Sow the Seeds: Direct sow ½ inch deep, 12–18 inches apart.
💧 Water Regularly: Keep soil moist during germination.
🌿 Thin and Maintain: Thin to 18–24 inches apart.
✂️ Harvest: Cut heads when seeds are mature and dry.
