Utah Yellow Sweet Spanish Onion
Utah Yellow Sweet Spanish Onion
Made and shipped by MIgardener
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Utah Yellow Sweet Spanish is a long-day onion producing sweet, mild bulbs that can grow to a pound or more. It offers fair storage and moderate pink root tolerance, performs well on the West Coast, and is excellent in soups, stews, and stir-fries.
At a glance
- Type: heirloom, open-pollinated onion
- Non-GMO
- Day length: long day
- Bulb: sweet, mild, up to 1 lb or more
- Storage: fair
- Sun: full sun
- Resistance: moderate pink root tolerance
Best for
- Soups and stews
- Stir-fries
- Fresh eating
- Northern and West Coast gardens
- Sweet onion lovers
How to grow
As a long-day variety, it bulbs best in northern latitudes. Start seeds early indoors or direct sow in full sun, thinning to 4 inches apart. Keep evenly watered and harvest once the tops fall over, then cure in a dry, airy spot before storage.
Flavor profile
Sweet and mild with a gentle onion flavor that turns rich when cooked.
About MIgardener
MIgardener is a Michigan-based family company offering affordable heirloom and non-GMO seeds to help home gardeners grow more for less.

Product facts
- Made by
- MIgardener
- Maker based in
- St. Clair, Michigan
- Size
- Price per unit