Stuttgarter Giant onion sets deliver reliable yields of large, golden bulbs ideal for spring planting. These proven German heirloom varieties mature in 100–120 days, offering excellent storage and a mild, sweet flavour. Plant sets 10cm apart in well-draining soil once frost risk passes; they'll establish quickly and require minimal maintenance. Perfect for both kitchen gardeners and smallholders seeking consistent, quality harvests.

• Planting time: February-April
• Harvesting time: July-August