Mammoth Sunflower Seeds

  • Growing Mammoth Sunflower Seeds from Seed Organica brings the kind of satisfaction every gardener loves—watching giant blooms rise sky-high from handpicked, fresh, and sustainable seeds. These USA home garden seeds are tested for quality and trusted by gardeners nationwide who want easy to grow sunflower seeds with dependable results.

Growing the Best Mammoth Sunflower Seeds

  • High germination rate for strong, reliable growth.
  • Easy to grow sunflower seeds ideal for all gardeners.
  • Handpicked and tested for quality in the USA.

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Sunflower Seeds – Russian Mammoth
Sunflower Seeds – Russian Mammoth
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Sunflower Seeds – Russian Mammoth

$15.87 USD
$15.87 USD
Sunflower Seeds - Mammoth
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Sunflower Seeds - Mammoth

$14.99 USD
$14.99 USD

Are Mammoth Sunflower Seeds easy to grow?

  • Yes—this variety is heat-tolerant, fast-growing, and great for beginners looking for easy success.

How tall do Mammoth Sunflowers get?

  • They typically reach 8–12 feet, making them a striking choice for home gardens and summer landscapes.

Can Mammoth Sunflowers grow in containers?

  • They can, especially when given a deep pot and support. Many growers consider them among the best seeds for containers when space is limited.