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Onion & Leek Seeds

Onion and leek seeds are easy to grow, excellent value for money and provide a continuous supply of delicious and nutrient-rich vegetables for your culinary needs. You’ll find a wide range here, including everything from organic spring onion seeds through to huge exhibition-sized onion varieties for the show bench. Short on space? Our onion sets and shallot sets are a clever way to give yourself a strong head start.

To ensure a successful harvest from your onion and leek seeds, start with nutrient-rich soil and maintain consistent watering, especially during dry periods. Companion planting with carrots or beets can boost growth and naturally deter pests. If you’re aiming for larger bulbs or exhibition-worthy produce, you’ll find regular feeding with a balanced fertiliser a great help. Read on for more tips and advice to optimise your vegetable garden below.

What are the easiest onion seeds to sow and grow?

Spring onions and red onions are some of the easiest to grow from seed. They require minimal maintenance and adapt well to various soil types, making them suitable for gardeners of all levels.

Which are the tastiest onion varieties to grow at home?

For flavourful home-grown onions, try 'Red Baron' for its sweet, mild taste or organic Onion 'Ailsa Craig', known for its large, juicy bulbs. Both varieties are delicious and versatile in the kitchen.

Which onions are best for storing?

Onion ‘Stuttgarter’ is a popular choice for large bulbs, good resistance to bolting and excellent storage abilities. While typically grown for fresh use, ‘Red Baron’ can also be stored for a few months. It has a slightly milder flavour and adds colour to your onion stores.

Which varieties of leeks are best for early sowing?

Known for its fast growth, ‘Hilari’ is an early leek variety that produces long, white stems with a mild flavour. It’s ideal for early sowing and provides an early summer harvest. While traditionally a winter leek, ‘Musselburgh’ can be sown early and harvested in the autumn. It’s a versatile and hardy variety that withstands cold well.

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