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Whether you’re seeking high-performing hybrids or unique specialty crops, you’ll find a broad selection of excellent vegetable varieties in untreated seed. Choose from over 250 varieties that are proven performers in organic and sustainable systems, both on the farm and garden scale. These varieties combine great eating quality with exceptional crop vigor, disease protection, and yield.

Untreated seed is clean and has not been treated using any chemical, biological, or physical method. It may be allowed in Certified Organic production, provided that a comparable variety is not available in Certified Organic seed. Check with your certifying agency for approval of untreated seed varieties.

Harris Seeds Untreated Seed Facts:
• ALL of our lettuce seed is untreated.
• Most of our ornamental gourd seed is untreated.
• Almost all of our cut flower seed is untreated. Item numbers end in “10-02.”
• Item numbers for raw untreated vegetable seed end in “00-02.”
• Item numbers for pelleted untreated seed end in “11-02.” The pellet ingredients are not approved for use in Certified Organic production.

View Organic Vegetable Seeds
View Organic Flower Seeds
View Organic Plugs & Liners Find vegetables, herbs, and grafted vegetables!
View Organic Supplies, including OMRI listed Jiffy Pots, fungicides, and fertilizers
View Harris Seeds’ Organic Certificate

Turnip Polar F1
Turnip Polar F1

Photo of Watermelon Crimson Sweet Untreated, Seeded Watermelon
Watermelon Crimson Sweet Untreated

Photo of Gypsy Seedless Watermelon Grown Using Untreated Seeds, Seedless Watermelon
Watermelon Gypsy Seedless F1 Untreated

Photo of Millionaire Seedless F1 Watermelon Grown Using Untreated Seeds,  Seedless Watermelon
Watermelon Millionaire Seedless F1 Untreated

Photo of Side Kick Watermelon Grown Using Untreated Seeds, Seedless Watermelon Pollinator
Watermelon Side Kick Untreated

Photo of Solitaire F1 Watermelons Grown Using Untreated Seeds, Seedless Watermelon
Watermelon Solitaire F1 Untreated

Photo of Watermelon Yellow Doll F1 Untreated, Seeded Watermelon
Watermelon Yellow Doll F1 Untreated

Wild Arugula Speedy
Wild Arugula Speedy

Wild Arugula Wasabi
Wild Arugula Wasabi


The Harris Seeds company began catalog operation in 1879. It evolved from the efforts of Joseph Harris who was extremely successful in the selection of superior strains of vegetables and grains. The company became wildly popular because of his basic business philosophy - "Offer my customers a quality product at a fair price and they will return."



355 Paul Rd.
P.O. Box 24966
Rochester, NY 14624

Phone: (800) 544-7938
FAX: (877) 892-9197

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