Seattle Seed Company
Mammoth Russian Sunflower Seeds
Worry-Free Purchase® by Seel Returnable for any reason and get a full refund
- Return eligible purchases for any reason within the coverage window
- Protection for eligible shipping issues
- Claims and covered refunds handled directly by Seel
Availability, coverage, terms, and the live protection price are shown in your cart.
Shipping calculated at checkout. Delivery timing varies by item and location.
View full return policy
Mammoth Russian Sunflower Seeds
Worry-Free Purchase® by Seel Returnable for any reason and get a full refund
- Return eligible purchases for any reason within the coverage window
- Protection for eligible shipping issues
- Claims and covered refunds handled directly by Seel
Availability, coverage, terms, and the live protection price are shown in your cart.
Shipping calculated at checkout. Delivery timing varies by item and location.
View full return policy
Details
Mammoth Russian Sunflower Seeds offer a garden product option tailored for planting in appropriate seasons and spaces. These seeds support gardening and outdoor care routines such as planting, watering, and pruning according to supplier guidance. Buyers should confirm variant, size, and application details before purchase.
- Garden or outdoor workflow item
- Task and season fit matter
- Check size and use details
- Follow supplier guidance
Dimensions & sizing
Supplier-listed measurements: Mammoth Russian Sunflowers are one of the garden's most awe-inspiring sights—reaching 10–12 feet tall on thick stalks, their massive golden faces can span 14 inches across and produce large, richly flavored seeds beloved by birds, wildlife, and people alike. | Planting Depth: ½–1 inch | Spacing: 18–24 inches apart | Mature Height: 10–12 feet | Head Diameter: Up to 14 inches
