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Russian Mammoth Sunflower Seeds Of Change

  • Russian Mammoth Sunflower, Seeds of Change
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Product Description

Russian Mammoth Sunflower Seeds Of Change

Scientific Name: Helianthus annuus
Amount in pack: 25± seeds

Beautiful, huge Sunflowers topping out at 9-12 feet tall! This classic sunflower was first introduced in the 1880’s and is prized for its plentiful large seeds. A great long blooming (up to 5 weeks) flower perfect for a living fence or screen. Sunflowers are great for attracting birds and pollinators to the garden. Sow outdoors once threat of frost has passed.


All of our Seeds of Change seeds are 100% certified organic, free of GMO’s, chemicals and pesticides. Packaged in re-sealable packaging that extends the seed self life to 2 years instead of the standard 1.


1% of the Seeds of Change net sales are donated to support and develop sustainable gardening and farming programs. All seeds are independently tested and proven to produce healthy, hardy plants.


Days to Maturity: 110
Planting Method: Direct Sow
Soil Temperature for Germination: °F
Days to Germinate: 6-12
Seed Depth: 1 inch
Seed Spacing: 1-2 feet
Light: Full Sun
Moisture: Water Less, Drought Tolerant
Hardiness: Tender Annual/Reseeding

For more information on starting your garden from seed, explore our Seed Starting How-to Guide

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