NE Seed New England Seed Co

Certified Organic Mammoth Grey Sunflower Seeds

(2 customer reviews)


Certified Organic by Baystate Organic CertifiersCertified Organic by Baystate Organic Certifiers

SKU: 55099 Categories: , Tag:


(8′) Our Certified Organic Mammoth Grey Sunflower exhibits a single, huge flower head with thin shelled, striped, meaty seeds. Full sun. Heat and drought resistant. Non-branching variety. 75-90 days.

(Helianthus annus)
Annual. 200 seeds/oz., 15-20 lbs./acre, 10-14 days, 68-86ºF.
Plant in full sun, tolerant of poor soil but needs regular fertilization for the best blooming.
Direct seed, seedlings do not transplant well.

Additional information

Weight N/A
Life Cycle



Suitable for Microgreens, Bee Attractor


Certified Organic

2 reviews for Certified Organic Mammoth Grey Sunflower Seeds

  1. Edward L, North Attleboro, MA

    I loved my vegtable garden, but it was the Mammoth Russian Sunflowers (#55099P) that everyone looked at. They were about 10′ tall and one head was 14" across. If anyone is looking for bragging rights, they should grow this plant.

  2. Daniel S, Ogdensburg, NY

    super fast delivery
    Ordered my seed in the afternoon and it was here the next day.

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