We're offering you a Organic Onion (Spring) Red Baron for £3.99, saving you up to 60% off Thompson and Morgan's's price of £9.99 (correct as of 03.02.2026).

Onion Red Baron: Burst of Flavour

Add Colour and Flavour to Your Garden and Kitchen

Onion 'Red Baron' (Allium cepa) is a popular spring onion variety prized for its firm, flattish-round bulbs and vivid dark red skin. These onions not only enhance your dishes with their robust, home-grown flavour, but also bring ornamental value to your vegetable patch or raised beds thanks to their rich colour and attractive red-rimmed flesh.

Why Choose 'Red Baron'?

• Distinctive Appearance: The deep red bulbs create a striking look both in the garden and on the plate.
• Strong Taste: Enjoy a more pronounced onion flavour compared to standard varieties—perfect for salads, salsas, and roasting.
• Bountiful Harvests: This reliable cropper yields generously season after season.
• Long Storage Life: Keeps well post-harvest so you can enjoy your home-grown onions for months.

Growing Guide

• Sowing: Direct sow seeds in well-prepared soil from February to April, spacing rows about 30cm apart. Cover lightly with soil.
• Sunlight: Prefers full sun for best bulb development.
• Soil: Grows best in fertile, well-drained soils with a neutral pH (around 6.5–7.5). Avoid waterlogged ground.
• Watering: Keep soil moist during dry spells but avoid overwatering.
• Cropping: Harvest bulbs from midsummer through autumn once the foliage begins to yellow and fall over.
• Storage: Cure bulbs by drying them in a warm, airy place before storing in a cool, dry location.

Caring for Your Onions

• Pest & Disease Resistance: Rotate crops yearly to minimise risk of onion fly or white rot.
• No Special Feeding Needed: Incorporate compost before sowing; additional feeding is rarely required.
• No Pruning Required: Simply remove any yellowing leaves as harvest approaches.

Garden Design & Companion Planting

• Companions: Plant alongside carrots, lettuce, or beetroot to maximise space and deter pests naturally.
• Borders & Containers: Compact growth makes 'Red Baron' perfect for raised beds or large pots on patios.

FAQs

• When is the best time to plant Onion 'Red Baron'?
  Sow seeds directly outdoors from February to April when soil is workable.
• How long until harvest?
  You can typically harvest mature bulbs from midsummer through autumn—about 20–24 weeks after sowing.
• What care does this variety need?
  'Red Baron' thrives in full sun with moist but well-drained soil. Water regularly during dry periods and avoid overcrowding for best results.