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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.

50 100 true //store.trueleafmarket.com/cdn/shop/t/40/assets/review-fallback.json?v=33078429469613971781657903462
Legend: H for Heirloom, O for Organic, A for AAS Winner, F for staff favorites
43 Items
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Onion Utah Yellow Sweet Spanish SeedsUtah Yellow Sweet Spanish Onion Seeds - Bulk
-0
Heirloom
Onion Seeds - Long - Utah Yellow Sweet Spanish
Starting at $2.49
Onion Seeds - Bunching - Tokyo Long WhiteOnion Seeds - Bunching - Tokyo Long White
-0
Heirloom
Onion Seeds - Bunching - Tokyo Long White
Starting at $3.99
Onion Seeds - Bunching - Evergreen White Nebuka (Organic)Onion Seeds - Bunching - Evergreen White Nebuka (Organic)
-0
Heirloom
Organic
Onion Seeds - Bunching - Evergreen White Nebuka (Organic)
Starting at $3.99
Onion Walla Walla Organic SeedOnion Seeds - Walla Walla (Organic) - Packet
-0
Heirloom
Organic
Onion Seeds - Long - Walla Walla (Organic)
Starting at $3.89
Onion Walla Walla SeedPacket of Walla Walla Onion Seeds
-0
Heirloom
Onion Seeds - Long - Walla Walla
Starting at $2.49
Red Creole Onion Seeds - Non-GMORed Creole Onion Seed Packet
-0
Heirloom
Onion Seeds - Short - Red Creole
Starting at $2.49
Onion Candy Hybrid SeedBulk Hybrid Onion Seeds
-0
Onion Seeds - Intermediate - Candy Hybrid
Starting at $3.09
Onion Red Burgundy SeedBulk Wholesale Red Burgundy Onion Seeds
-0
Heirloom
Onion Seeds - Short - Red Burgundy
Starting at $2.49
Ruby Onion Vegetable SeedsRuby Onion Seed Packet
-0
Heirloom
Onion Seeds - Long - Ruby
Starting at $2.49
Onion, Bunching - Evergreen White Nebuka
-0
Heirloom
Onion Seeds - Bunching - Evergreen White Nebuka
Starting at $3.99
Texas 1015 SuperSweet Onion Seeds - Non-GMO VegetablesTexas 1015 SuperSweet Onion Seed Packet
-0
Heirloom
Onion Seeds - Short - Texas 1015 Super Sweet
Starting at $2.49
Onion White Sweet Spanish SeedOnion Garden Seed for Non GMO Planting
-0
Heirloom
Onion Seeds - Long - White Sweet Spanish
Starting at $2.49
Red Grano Onion Seeds - Non-GMORed Grano Onion Seeds Packet
-0
Heirloom
Onion Seeds - Short - Red Grano
Starting at $2.49
yellow granex prr f1 hybrid onionnon gmo yellow granex PRR F1 onion seed bag
-0
Onion Seeds - Short - Yellow Granex PRR Hybrid
Starting at $3.09
Onion Seeds - Bunching - Warrior AASOnion Seeds - Bunching - Warrior AAS Seed Packet
-0
AAS Winner
Onion Seeds - Bunching - Warrior AAS
Starting at $2.49
early white grano prr onionnon gmo early white grano onion seed bag
-0
Heirloom
Onion Seeds - Short - Early White Grano PRR
Starting at $2.49
Red Torpedo Onion Seeds - Non-GMORed Torpedo Onion Seed Packet
-0
Heirloom
Onion Seeds - Intermediate - Red Torpedo
Starting at $2.89
Onion Seeds - Imai Early YellowPremium Bulk Seeds - Mylar Package
-0
Heirloom
Onion Seeds - Intermediate - Imai Early Yellow
Starting at $3.99
Onion - Long - Southport White Globe 404southport white globe 404 bunching onion seed packet
-0
Heirloom
Onion - Long - Southport White Globe 404
Starting at $2.79
White Lisbon Onion Seeds - Non-GMOWhite Lisbon Onion Seed Packet
-0
Heirloom
Onion Seeds - Bunching - White Lisbon
Starting at $2.49
Onion Seeds - Bunching - Red BeardOnion Seeds - Bunching - Red Beard
-0
Heirloom
Onion Seeds - Bunching - Red Beard
Starting at $3.99
Onion Pickling Crystal White Wax Seednon gmo crystal white wax pickling onion seed bag
-0
Heirloom
Onion Seeds - Short - Crystal White Wax
Starting at $2.49
Organic Tokyo Long White Bunching Onion
-0
Heirloom
Organic
Onion Seeds - Bunching - Tokyo Long White (Organic)
Starting at $3.99
Onion Seeds - Shonan RedPremium Bulk Seeds - Mylar Package
-0
Heirloom
Onion Seeds - Intermediate - Shonan Red
Starting at $3.99
Onion Seeds - Bunching - Kyoto Kujo NegiPremium Bulk Seeds - Mylar Package
-0
Heirloom
Onion Seeds - Bunching - Kyoto Kujo Negi
Starting at $3.99
Onion Seeds - Bunching - Ishikura Winter LongPremium Bulk Seeds - Mylar Package
-0
Heirloom
Onion Seeds - Bunching - Ishikura Winter Long
Starting at $3.99
Onion White Grano Treated SeedGMO Free White Grano Onion Seed
-0
Heirloom
Onion Seeds - Short - White Grano (treated)
Starting at $11.03
Onion Seeds - Bunching - White Ishikura (Organic)
-0
Heirloom
Organic
Onion Seeds - Bunching - White Ishikura (Organic)
Starting at $4.49
Onion Eclipse L303Eclipse L303 Onion Seed Packet
-0
Heirloom
Onion Seeds - Short - Eclipse L303
Starting at $2.49
Onion Seeds - Bunching - Flagpole (Organic)
$3.49
Onion Seeds - Long - Southport Red Globe
Starting at $2.49
Onion Seeds - Intermediate - Red Cipollini
Starting at $2.49
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