HOME GROWN

HOME GROWN Sunflower Seeds to Plant | 520+ Giant Mammoth Sunflowers – Heirloom, High Germination

High-performance patio lawn and garden made for confident daily results

$13.95

3 shoppers currently have this item in cart.

Low stock: only 5 left in inventory. Add to cart before it's gone.

Shop Pay installment options may appear at checkout where eligible.

Free shipping Secure checkout 100% refund eligible
Bundle & save Buy 2 and save checkout time

Premium patio lawn and garden quality selected for United States (USA) customers.

Routine pack Build your routine pack (3)

Fast dispatch with always-free shipping and secure checkout on every order.

Free shipping

i

Free shipping on every order. Fast dispatch, tracked delivery, and secure checkout included.

Easy returns

i

Simple return flow and responsive support for eligible items.

Peak-demand shipping delays

i

During high demand, deliveries may experience short carrier delays. Tracking updates remain active for every order.

24/7 customer support

Questions before checkout? Our team is available and ready to help.

Share

Why customers choose Cera Garden

Giant Mammoth Sunflowers: Size, Beauty, and Versatility

Discover the HOME GROWN Sunflower Seeds to Plant, a bulk option designed for home gardens and larger patches alike. These are Giant Mammoth sunflowers that can reach impressive heights and feature bold, golden blooms that become a focal point in a sunny space. They are well suited for borders, backyards, or along fences, and they naturally invite pollinators while adding seasonal color.

What makes them stand out

In optimal conditions, these sunflowers can reach up to 12 feet tall, and bloom heads can span as wide as 14 inches. Their dramatic presence helps create visual impact in any bed or garden row, while supporting pollinators with large, nectar-rich blooms that energize garden ecosystems.

  • Grows up to 12 feet tall with 14-inch flower heads
  • 520 heirloom, non-GMO seeds for high-volume planting
  • Open-pollinated and packaged for freshness with clear planting guidance
  • Beginner-friendly and adaptable to a range of soils and climates
  • Attracts bees, butterflies, and garden birds for biodiversity
  • Grown and packaged in the USA with quality-tested germination

Beyond their ornament, the seeds offer harvest opportunities and wildlife appeal. The Mammoth heads yield large, plump seeds that can be eaten, roasted, or saved for future planting. Home gardeners also appreciate the natural privacy screen they can form in a single season.

Bulk quality and planting simplicity

This bulk packet includes approximately 520 heirloom seeds, all open-pollinated and non-GMO, packaged for freshness and easy sowing. The seeds are produced with American care and tested for germination to help you achieve reliable results.

  • High germination potential supports successful sowing
  • Open-pollinated for seed saving and stable traits
  • USA-packaged and quality-tested for consistency
  • Full-sun planting with simple watering and spacing guidance
  • Versatile use in beds, borders, containers, or field rows
  • Great for classrooms, family projects, and hobbyist gardens

Growing tips and climate adaptability: Mammoth sunflowers are beginner-friendly and thrive with full sun and regular moisture. They adapt to a range of soils and can be grown in garden beds, field rows, or decorative containers. Expect a rewarding, fast-growing experience that suits school projects, family gardening, or seasoned hobbyists alike.

FAQ

Q: How many seeds come in the packet and how many sunflowers can I expect?

A: Each packet contains about 520 heirloom seeds, enough to plant a large patch or reuse for multiple seasons.

Q: Are these easy to grow in different climates?

A: Yes. Mammoth sunflowers are beginner-friendly and adapt to a range of soils and sun, with regular watering.