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.

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Legend: H for Heirloom, O for Organic, A for AAS Winner, F for staff favorites
39 Items
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Borettana Yellow Cipollini Onion SeedsBorettana Yellow Cipollini Onion Seeds Packet
-0
Heirloom
Onion Seeds - Short - Borettana Yellow Cipollini
Starting at $3.09
Onion Seeds, Bunching - Ishikura ImprovedPremium Bulk Seeds - Mylar Package
-0
Heirloom
Onion Seeds, Bunching - Ishikura Improved
Starting at $3.99
Barletta OnionBarletta Onion Seed Packet
-0
Heirloom
Onion Seeds - Short - Barletta
Starting at $2.49
Onion Seeds - Bunching - HeshikoPremium Bulk Seeds - Package
-0
Heirloom
Onion Seeds - Bunching - Heshiko
Starting at $3.99
Onion Seeds - Bunching - HeshikoPremium Bulk Seeds - Mylar Package
-25%
Heirloom
Onion Seeds - Bunching - Heshiko (Treated)
Starting at $2.99
Red Of Florence OnionMountain Valley Seed Packaging
-0
Heirloom
Onion Seeds - Red Of Florence
Starting at $2.49
Onion Seeds - Bunching - Crimson Forest
Starting at $2.69
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