Onion – Sturon (Spanish Yellow)

Grow a reliable and flavorful crop with Sturon Spanish Yellow Onions, a widely grown variety known for its strong yields, excellent storage ability, and classic onion flavor. This popular yellow onion produces round, firm bulbs with golden-brown skin and crisp white flesh, making it a staple for both home gardens and kitchen use.

Sturon onions are valued for their balanced flavor—mildly pungent when raw and rich and sweet when cooked. They are perfect for soups, stews, sautéing, roasting, and caramelizing. This dependable variety produces uniform bulbs that store very well, making it an excellent choice for gardeners looking for onions that last through the winter.

Plant Details

Plant Type: Edible Onion Bulb (Set)
Bulb Color: Golden yellow to light brown skin
Flesh Color: White
Bulb Size: Medium to large round bulbs
Plant Height: 12–18 inches
Harvest Time: Mid to late summer
Sun Requirements: Full Sun
Uses: Cooking, roasting, soups, stews, sautéing, and long-term storage

Growing Instructions for Zone 3b

Sturon onions grow well in cooler climates and perform reliably in Zone 3b gardens.

Planting Time

Plant onion sets in early spring as soon as the soil can be worked.

Location

Choose a location with full sun (6–8 hours daily) and loose, well-drained soil rich in organic matter.

Planting Depth

• Plant onion sets about 1 inch deep.
• The pointed tip should remain just at or slightly above the soil surface.

Spacing

• Space sets 3–4 inches apart within rows.
• Leave 12–18 inches between rows.

Watering

Keep soil consistently moist during the growing season, particularly during bulb development.

Fertilizing

Apply compost or a balanced fertilizer at planting and again during early growth to encourage healthy bulb formation.

Harvesting

• Onions are ready to harvest when the tops begin to yellow and fall over, typically in mid to late summer.
• Carefully lift bulbs from the soil.

Curing

Allow harvested onions to cure in a dry, well-ventilated area for 1–2 weeks before storing.

With proper care, Sturon Spanish Yellow onions will produce a dependable harvest of flavorful bulbs that store well and enhance a wide variety of recipes.