Spring Onion Ishikura Seeds

How to Grow Spring Onion Ishikura Seeds: Your Complete Guide When and Where to Sow Indoor Sowing Begin from February to March. Use modules, sowing 4-5 seeds per module. Cover them lightly with vermiculite or compost and maintain a temperature of 14°C. Outdoor Sowing Aim to sow in April. Make shallow drills 1.5cm deep and space the rows 30cm apart. What to Do Next Indoor-Sown Seeds No thinning is needed. In April, move these modules to a cold frame to prepare for outdoor planting. Outdoor-Sown Seeds These can be pulled and used as needed. Maturity and Harvesting Expect your harvest around 12 weeks after sowing. The onions are versatile and perfect for salads and stir-frys. Handy Tips Successional Sowing This variety is excellent for successional sowing. Maximising Space Plant between slower-growing vegetables to make the most of your space.