Onion Senshyu Yellow is a hardy Japanese onion variety that is ideal for autumn planting, producing reliable crops of attractive globe-shaped onions with a mild, sweet flavour. This dependable variety establishes well before winter and rewards gardeners with an early harvest, often ready 4–6 weeks ahead of traditional varieties such as Sturon. Young plants can also be harvested early and enjoyed as delicious spring onions in fresh salads.

Perfect for kitchen gardens, raised beds and vegetable plots, Onion Senshyu Yellow is easy to grow and produces excellent yields in well-drained soil and a sunny position. Its versatility, dependable performance and quality bulbs make it a favourite for both beginner and experienced vegetable growers.

Key Features
✓ Hardy Japanese autumn planting onion variety
✓ Produces attractive globe-shaped onions
✓ Mild, sweet flavour ideal for cooking and salads
✓ Harvests 4–6 weeks earlier than many spring-planted varieties
✓ Young plants can be harvested as spring onions
✓ High-yielding and reliable performer
✓ Suitable for vegetable beds, raised beds and allotments
✓ Stores well after harvesting

Size
✓ Onion sets for autumn planting

Planting & Growing
✓ Planting time: September to November
✓ Harvest: Late spring as spring onions or June to July for mature bulbs
✓ Position: Full sun
✓ Soil: Fertile, well-drained soil
✓ Spacing: 10–15cm apart with 25–30cm between rows

Aftercare
Plant the onion sets with the tip just showing above the soil surface. Keep the area weed-free and water during prolonged dry spells to encourage healthy growth. Harvest young plants as spring onions if desired, or allow bulbs to mature fully before lifting. Once harvested, dry the onions in a warm, airy place before storing in a cool, dry location.