Onions
Onion Seeds
Onions are one of the most rewarding and indispensable vegetables to grow, producing firm, flavour-packed bulbs that store well and are used in countless everyday dishes. From traditional brown and red onions to giant exhibition strains and overwintering varieties, onions are a dependable crop for gardens and allotments throughout the UK. Home-grown onions offer exceptional freshness, flavour and keeping quality, while the huge choice of varieties allows gardeners to grow everything from sweet salad onions to heavyweight exhibition bulbs. With the correct variety and good cultivation, onions can be harvested from early summer through to autumn and stored for many months.
For the best results, onion seeds should be started indoors during late winter or early spring before being transplanted outside once the young plants are well established. Sowing into quality Propagation Equipment provides the ideal conditions for successful germination. A ROOT!T Heat Mat supplies the gentle bottom warmth needed for quick, even germination, while the ROOT!T 42W LED Grow Light produces sturdy, compact seedlings with strong root systems. Raising onions from seed allows gardeners to grow a far wider range of varieties than is available as sets and is the preferred method for producing large exhibition-quality bulbs.
Once seedlings have developed several true leaves, transplant them into individual pots using premium Growing Media such as Jiffy PRO7 Coco 70/30 These professional growing media provide excellent drainage, moisture retention and root aeration, encouraging vigorous root development before plants are transferred into fertile vegetable beds or allotments.
Onions thrive in a sunny, open position with fertile, well-drained soil and benefit from regular watering during dry periods while bulbs are swelling. Keeping the crop weed free and maintaining steady growth produces larger, better-shaped onions with excellent storage qualities. Harvest once the foliage naturally begins to yellow and fall over, then cure the bulbs thoroughly in a warm, airy place before storing. With the correct choice of varieties, gardeners can enjoy onions for immediate use, long-term storage or exhibition throughout the growing season.
At Fosters Seeds we offer one of the UK’s finest selections of onion seed, chosen for outstanding germination, vigour and dependable performance. We are particularly proud of our exhibition onion heritage. Keith Foster is the breeder of the famous Ailsae onion, a variety renowned amongst exhibition growers for its potential to produce enormous, perfectly shaped bulbs. Keith also continues to maintain the legendary Peter Clark Strain, widely regarded by many experienced exhibitors as the finest dressed onion strain available today, producing beautifully uniform bulbs with outstanding skin quality, colour and presentation for the show bench. Whether you are growing onions for the kitchen, for storage or to compete at the highest level of vegetable exhibitions, our seed is selected to deliver exceptional results. Browse our complete range of Vegetable Seeds, Propagation Equipment and Growing Media to give your onions the very best start and enjoy outstanding harvests year after year.
