Onion Seeds

Garden Guide

Shop Onions by Day Length

Onions are a biennial vegetable grown commonly as an annual. While the seeds can be harvested in the second year. Onions themselves are commonly harvested in the first year for the vegetable. We offer a variety of bulbing onions which you can browse by type: Short day onions, are ideal for the southern states, intermediate day onions do well throughout the United States, and long day onions are best for northern latitudes. We also offer a great selection of bunching onions.

Check out our Vegetable Growing Guide for helpful growing tips and information.

Legend: H for Heirloom, O for Organic, A for AAS Winner, F for staff favorites
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Onion Candy Hybrid SeedBulk Hybrid Onion Seeds
Onion Pickling Crystal White Wax Seednon gmo crystal white wax pickling onion seed bag
Heirloom
Onion Red Burgundy SeedBulk Wholesale Red Burgundy Onion Seeds
Heirloom
Heirloom
Onion White Sweet Spanish SeedOnion Garden Seed for Non GMO Planting
Heirloom
Onion Walla Walla SeedPacket of Walla Walla Onion Seeds
Heirloom
Onion Walla Walla Organic SeedOnion Seeds - Walla Walla (Organic) - Packet
HeirloomOrganic
Onion White Grano Treated SeedGMO Free White Grano Onion Seed
Heirloom
early white grano prr onionnon gmo early white grano onion seed bag
Heirloom
southport white globe 404 bunching onion seed packet
Heirloom
Barletta OnionBarletta Onion Seed Packet
Heirloom
Onion Eclipse L303Eclipse L303 Onion Seed Packet
Heirloom
Organic flagpole scallionOrganic flagpole scallion seed packet
HeirloomOrganic
Ruby Onion Vegetable SeedsRuby Onion Seed Packet
Heirloom