Organic Mammoth Gray Stripe Sunflower (Helianthus annuus)
Towering up to 12’ tall, these impressive plants produce flower heads measuring up to a foot across! The bright and stately Mammoth promises plenty of seeds for roasting and bird feed alike. Easy to grow.
- 25 seeds minimum
- Germination: 7-10 days
- Maturity: 85-100 days
- Direct sow ½” deep in full sun after last frost or start indoors 4 weeks before last frost. Sunflower roots don’t like to be disturbed, so transplant carefully.
- Favors well drained soil.
- Space 18-24" apart.