Onion – Stuttgart Yellow

Grow a dependable and flavorful kitchen staple with Stuttgart Yellow Onions, a classic heirloom variety known for its strong flavor, excellent storage ability, and reliable yields. This popular onion produces medium to large flattened bulbs with golden-yellow skin and crisp white flesh.

Stuttgart Yellow onions are prized for their bold, traditional onion flavor that becomes sweet and rich when cooked. They are ideal for a wide range of culinary uses including sautéing, roasting, soups, stews, and caramelized onions. This variety is also known for its long storage life, making it an excellent choice for gardeners who want onions that keep well through the winter.

Plant Details

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

Growing Instructions for Zone 3b

Stuttgart Yellow onions grow well in cooler climates and are suitable for 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 in rows.
• Leave 12–18 inches between rows.

Watering

Keep soil consistently moist during the growing season, especially during bulb formation.

Fertilizing

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

Harvesting

• Onions are ready to harvest when the tops begin to yellow and fall over, usually in mid to late summer.
• Gently pull bulbs from the soil and allow them to dry.

Curing

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

With proper care, Stuttgart Yellow onions will produce a generous harvest of flavorful bulbs that store well and enhance a wide variety of dishes.