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Mammoth Grey stripe Sunflower Seeds

  • $3.99
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Mammoth sunflower seeds grow one of the tallest, brightest, and most breathtaking flowers in the world! The standard giant variety that produces delicious seeds. The 10' plants produce heads that average 12" across. A stately garden plant.

Mammoth sunflowers are one of the most resilient and fastest growing flowers in all of North America and mature in as quickly as 100 days. An ideal choice for feeding wild birds or harvest it for a special treat to your chicken! They will love to peck and the monstrous sized heads.


  • Helianthus annuus
  • Days to bloom: 100
  • Full Sun
  • Sprouts in 7-14 Days
  • Ideal Temperature: 60-75 Degrees F
  • Frost Hardy: No
  • Seed packet contains a minimum of 35 seeds
Complete Growing Guide

Care and Growing Instructions