AN00455
Mammoth Russian
Sunflower Seeds
Huge bright-yellow, 12 in. flowers and seed heads on heavy 10 ft. tall stalks. A dramatic ornamental edible that is good for screening and/or edible seed production.
Growing Mammoth Russian Sunflower Seeds
Plant Sunflower Seeds: Direct sow into prepared seed beds after all danger of frost. Plant seeds 6 in. apart, ½ in. deep. Thin to 1-1½ ft. apart. Can start plants early indoors in 2 in. pots or cell packs. Transplant into the garden well before seedlings become root bound.
Grow Sunflowers: Sunflowers require full sun. Soil which is moist and moderately fertile will produce the best flower heads. Blooms attract bees, birds and butterflies.
Shipping Information
U.S. Shipping Rates
Free shipping on U.S. orders over $60.00.
Free priority shipping on U.S. orders over $150.00.
Standard U.S. shipping is $5.99.
Priority U.S. shipping is $9.99.
International Shipping Rates
Shipping to Canada is $13.99.
International shipping to all other countries is $15.99.
Satisfaction Guarantee
We guarantee all the seeds we sell for one full year from the date of purchase. If you are unsatisfied with any seeds purchased from Swallowtail Garden Seeds, we will issue a refund. For customers in the U.S., we can send one-time replacements or issue a refund.
