Onion ‘Ailsa Craig’ – Seeds

(Allium cepa)

Onion ‘Ailsa Craig’ is a traditional British heirloom variety, prized for its extra-large, globe-shaped bulbs and sweet, mild flavor. Known as the “show onion,” it’s a popular choice for exhibition growers and home gardeners alike. The golden-skinned bulbs can reach impressive sizes while maintaining tender, juicy flesh — perfect for slicing, salads, or cooking.

Key Features

• Type: Bulb onion (Heirloom)

• Bulb Size: Extra-large, globe-shaped

• Skin Color: Golden-brown

• Flesh: White, sweet, and mild

• Days to Maturity: 100–120 days

• Storage: Medium (best used fresh)

Ideal For

• Exhibition and show growing

• Fresh salads and mild onion dishes

• Home gardens and allotments

Sowing & Growing

• Sow indoors: January – February

• Transplant outdoors: April – May

• Harvest: August – September

• Spacing: 10–15 cm apart

• Position: Full sun

• Soil: Rich, fertile, well-drained soil

Care Tips

• Feed regularly for strong bulb growth.

• Keep soil moist but avoid waterlogging.

• Lift bulbs once tops start to yellow and fall over.