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Harris Seeds supports the success of organic growers by offering high quality organic and untreated seeds, organic plugs & liners, and OMRI listed supplies for organic growing. We offer a small number of organically produced flower seed varieties, and the majority of our flower seed varieties for cut flower and bedding plant growers are offered in untreated form.

Organic seed is clean and untreated, and it was grown under Certified Organic conditions. It is allowed for use in Certified Organic production.

Harris Seeds Organic & Untreated Flower Seed Facts:
• Item numbers for raw organic flower seed end in “10-03.”
• Item numbers for raw untreated flower seed end in “10-02.” Untreated seed varieties 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.
• Item numbers for pelleted untreated seed end in “11-02” and “14-02.” Item numbers for filmcoated untreated seed end in “12-02.” The pellet ingredients are not approved for use in Certified Organic production.

View Organic Vegetable Seeds
View Untreated Vegetable 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

Photo of Tornado Red Cut Flower Celosia, Celosias
Celosia Tornado Red Organic

Sunflower Goldy F1 Organic
Sunflower Goldy F1 Organic

Photo of Sunflower Zohar Organic, Sunflowers
Sunflower Zohar F1 Organic


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

E-mail Us


Office Hours:
Mon - Fri: 8 am - 5 pm ET
Saturday: 8 am - 1 pm ET

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