Mammoth Grey Stripe Sunflower Seeds - 25+ Giant, Heirloom, Non-GMO & Fresh

Grow Mammoth Grey Stripe Sunflowers, a giant heirloom variety known for its huge, bright yellow blooms and large striped seeds. This 25+ non-GMO seed pack produces tall, fast-growing plants, perfect for garden borders, bird feed, and stunning summer displays.

• Mammoth Grey Stripe Sunflower – Huge, classic sunflowers with striped seeds
• 25+ Heirloom Seeds – Non-GMO, high-germination rate
• Tall & Fast-Growing – Grows up to 10-12 feet tall
• Perfect for Pollinators & Bird Feed – Attracts bees, butterflies, and songbirds
• Easy to Grow & Drought-Tolerant – Thrives in full sun and well-drained soil

• Common Name: Mammoth Grey Stripe Sunflower
• Scientific Name: Helianthus annuus
• USDA Hardiness Zone: 3-10 (Annual)
• Flower Color: Bright yellow with dark center
• Soil Type: Well-drained, sandy, loamy
• Sunlight: Full sun
• Watering Needs: Low to moderate, drought-tolerant
• Germination Time: 7-14 days
• Plant Height: 10-12 feet
• Bloom Size: 12-24 inches in diameter
• Days to Bloom: 80-90 days
• Growth Habit: Tall, single-stemmed
• Attracts: Bees, butterflies, birds
• Uses: Garden borders, cut flowers, bird feed, sunflower seeds