Organic Standfast Sunflower

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5 to 6' tall 70 days to flower 100 days to seed harvest Helianthus annuus

Gorgeously massive heads with huge seeds, Standfast is perfect for growing your own sunflower seeds for snacking and birdseed. Her stocky 5-foot sunflowers ‘stand fast’ as each impressive head (often 16″ across!) mature hundreds of delectable seeds. Standfast was selected by our friend and mentor Will Bonsall in Maine for years, building on the foundation of thousands of years of indigenous plant breeding. Will generously offered us a handful of seeds in 2012 to share with the world and here we are!

Size Price Quantity# Availability
20 Seeds $4.45 In stock
40 Seeds $7.55 In stock
80 Seeds $14.25 In stock


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Organic Standfast Sunflower

When to sow (Direct Seed recommended): After final frost, sow 2 seeds every 18-24 inches and thin to one. To Transplant, sow indoors 2-3 weeks before last frost. Harden off 5 days and transplant after final frost.

Seeding Depth: 1/2 inch
Full Sun      Days to Germination: 7-10 days at 70-75F
Plant spacing after thinning: 18-24 inches.
Days to Flower: 70      Height: 5-6 feet

Harvest: Harvest blooms for continued flowering.

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