Sunflower Russian Mammoth - West Coast Seeds
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- Low stock - 2 items left
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Helianthus annuus
- Grow up to 12 feet tall
- Reach up to 14 inches across
- Full sun
- Bright golden-yellow petals surrounding a dark chocolate central disk
Russian Mammoth Sunflower is a giant variety of sunflower known for its impressive size and striking appearance. Here are some key details:
They thrive in full sun and prefer moderately fertile, well-drained soils. They also need a constant supply of water and are heavy feeders, especially needing phosphorus and potassium
Annual
Approx. 25 Seeds
Canada Shipping
All regular packaged seed* orders have a flat rate shipping fee starting at $6.85 for Letter Mail shipping and $14.85 for Expedited Shipping.
*Some Bonus Packs, Sprouting Seeds, Bulk packs, Sprinkle Bags, and Sprinkle Cans will only be available with Expedited Shipping due to larger packaging and weight.
US Shipping
US Shipping has been suspended indefinitely. We apologize for any inconvenience this may cause. We hope to serve our US customers again in the future.
