• Seattle Seed Company Flowers Sunflower - Mammoth Russian
  • Seattle Seed Company Flowers Sunflower - Mammoth Russian
  • Seattle Seed Company Flowers Sunflower - Mammoth Russian
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Seattle Seed Company

🇺🇸 American Made

Sunflower - Mammoth Russian

Quick Summary
Mammoth Russian sunflower seeds for towering single-stem plants that can reach about 12 feet, producing huge flower heads and edible seeds for people or birds.
$3.49
$3.49
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    🇺🇸 Made in Seattle
    🌾 Family-owned and operated
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    Description

    Grow Sunflower - Mammoth Russian from Seed

    Sunflower - Mammoth Russian — Mammoth Sunflower (Helianthus annus)- This sunflower is the giant of all sunflowers, reaching 12’ tall sometimes! Thick stalks support the huge heads that tower above the garden.

    What Makes This Variety Worth Growing

    This single-stem variety is a very fast and vigorous grower. A great variety for edible seeds or feeding the birds. Approx. 20 seeds per 2 grams.Days to maturity: 110 days

    Plan It into the Garden

    Clear planting, spacing and maturity information makes this variety easier to work into a home vegetable, herb or flower garden from the start.
    How to use

    Grow for towering single-stem sunflowers, edible seeds or bird feed. Allow approximately 110 days to maturity.
    Details
    • Botanical name: Helianthus annus
    • Single-stem variety
    • Can reach about 12 feet tall
    • Approx. 20 seeds per 2 grams
    • Days to maturity: 110 days
    • Suitable for edible seeds or feeding birds
    Shipping information

    Seattle Seed Company

    Free Shipping on Orders $35+

    • Standard delivery: 3-5 business days.
    Return Policy

    Seattle Seed Company

    • Returns may be requested within 30 days of delivery.
    • Items must be unused, unworn, in original condition and packaging, with proof of purchase.
    • Seeds and other perishable products are non-returnable for safety and sanitary reasons.
    Authorized Retailer Statement

    My American Goods® is an authorized retailer of Seattle Seed Company. Select items are fulfilled by My American Goods® from our fulfillment center, while others ship directly from the maker. All products are authentic and sourced from Seattle Seed Company official inventory. Learn More.
    Seattle Seed Company Flowers Sunflower - Mammoth Russian
    Seattle Seed Company Flowers Sunflower - Mammoth Russian
    Seattle Seed Company Flowers Sunflower - Mammoth Russian

    • Made in USA

    • Seattle Seed Company Free Shipping on Orders $35+

    • My American Goods® Certified Quality

    • Sustainably Made

    • Small Business Brand

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    Curated by My American Goods®

    The Story behind Seattle Seed Company

    Seattle Seed Company represents a side of American craftsmanship that begins before anything is harvested, cooked, or made—it begins with the seed.

    Founded in 2010, this family-owned company operates from Whidbey Island, Washington, with a mission centered on helping people grow their own food while supporting small farms, seed cooperatives, genetic diversity, and more sustainable gardening practices.

    What drew us to Seattle Seed Company is its thoughtful approach to what it sells. The team doesn't simply fill packets with whatever varieties are readily available. It works with smaller farms and seed cooperatives and carefully selects seeds for quality, reliability, and value, while maintaining a commitment to non-GMO varieties through the Safe Seed Pledge.

    We also love how approachable the brand makes gardening. A seasoned grower can choose individual heirloom varieties, while someone who has never planted a seed can start with a vegetable garden collection, countertop microgreen kit, or sprouting kit and experience the satisfaction of growing food at home.

    That's why Seattle Seed Company belongs at My American Goods®: a family-owned American business helping people reconnect with where food begins—one seed, one garden, and one harvest at a time.

    Shop Seattle Seed Company

    Seattle Seed Company

    Seattle Seed Company FAQs

    What is Seattle Seed Company known for?

    Seattle Seed Company specializes in heirloom and non-GMO seeds, including vegetables, herbs, flowers, microgreens, and sprouting varieties, along with garden supplies, growing kits, and gifts.

    Is Seattle Seed Company family-owned?

    Yes. Seattle Seed Company is a family-owned and operated business founded in 2010 and based on Whidbey Island, Washington.

    Are Seattle Seed Company seeds non-GMO?

    Yes. Seattle Seed Company states that its seeds are always non-GMO and has signed the Safe Seed Pledge, committing not to knowingly purchase or sell genetically engineered seeds or plants.

    Are all Seattle Seed Company seeds organic?

    Not necessarily. Seattle Seed Company is not a USDA-certified organic distributor, although the company says many of its seeds are purchased from Certified Organic farms. Check individual varieties for specific organic information.

    Where does Seattle Seed Company source its seeds?

    The company says it works with small farms and seed cooperatives that share its interest in preserving seed quality and the integrity of the food supply.

    Does Seattle Seed Company offer products for beginner gardeners?

    Yes. In addition to individual seed packets, the company offers starter seed collections, microgreen kits, sprouting kits, and growing supplies designed to make starting a garden easier. Its Starter Garden collection, for example, combines five beginner-friendly vegetable varieties with recipe cards.

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