Best Onion Plant Bulbs of 2025

The Centurion and Red Baron Onions are perfect for planting in well-draining soil, ensuring that your winter onions thrive without the risk of rot. By rotating your crops, you can prevent common onion issues, keeping your garden healthy. Minimal care is required once planted, with only occasional watering needed. If any weeds appear, you can easily remove them by hand without damaging the onions. This makes growing your own onions straightforward and rewarding.

The Allium Purple & White Bulbs are perfect for enhancing your garden. Plant them between February to May or September to December for vibrant blooms from June to August. With simple planting instructions, you can easily enjoy their stunning beauty by planting the bulbs 7cm deep and apart. These bulbs thrive in sunny, well-drained spots, ensuring your garden flourishes. Their large, fragrant blooms create a charming display, making your outdoor space truly stand out.

The Electric Onions are perfect for your kitchen garden, designed specifically for the UK climate. You can plant them from September to November, ensuring a lovely harvest from June onwards. With simple planting instructions, you will find it easy to cultivate these onions. They thrive in well-drained soil with good sunlight, offering vibrant colour and flavour to your meals. Each package contains high-quality bulbs, promising reliable growth and a plentiful onion yield for your cooking needs.

The Viridis Hortus Onion Sets come in a convenient 250g pack, containing approximately 60 to 80 high-quality sets. These onion sets are known for producing large bulbs and are resistant to bolting, making them an ideal choice for your garden. Planting from sets is much easier than seeds, allowing you to enjoy gardening without hassle. You can expect them to sprout quickly, often within two to three weeks, ensuring a swift start to your growing season.

Jamieson Brothers Onion Sets are perfect for home gardeners looking to grow their own onions. For best results, plant these sets in well-draining soil, ideally in raised beds, to avoid waterlogging. To prevent common issues like stem eelworm, remember to rotate your crops. After planting, minimal watering is required unless the soil is very dry. If weeds appear, hand removal is recommended to protect the onions from damage. This makes growing your own onions simple and rewarding.

The Electric Onion Sets are perfect for autumn planting, allowing you to sow between September and November for a harvest starting in June. Planting these bulbs is simple; just bury them 6cm deep and 20cm apart in well-drained soil with plenty of sunlight. With their attractive red skin, these onions make a delightful addition to your summer salads. They are known for being easy to grow, ensuring that even novice gardeners can enjoy a bountiful crop without stress.

The Jamieson Brothers Onion Sets are perfect for growing your own onions at home. To ensure success, plant them in well-draining soil, ideally in raised beds. They are easy to care for, requiring minimal watering once planted, making them convenient for busy gardeners. Additionally, you can prevent common onion problems by rotating your crops, which helps maintain healthy growth and yields. With these sets, you'll always have fresh onions on hand for your cooking needs.

The Stuttgarter Onion Sets are perfect for your garden, allowing you to sow them between February and May for a bountiful harvest from August to October. These medium-large, yellow onions boast a rich, pungent flavour and are known for their excellent storage capabilities. Planting is straightforward; simply place the bulbs 6cm deep and 20cm apart. They thrive in well-drained, organic-rich soil and require full sun or partial sunlight, ensuring a stress-free growing experience for both beginners and seasoned gardeners.

Bolly Bulbs® Stuttgarter Onions are a popular choice for gardeners looking to grow high-quality yellow onions. These bulbs are easy to cultivate and can be planted in either spring or autumn, providing flexibility for your gardening schedule. You can expect a heavy crop of semi-globe-shaped, straw-coloured onions, perfect for your culinary needs. With their undemanding nature, these onions will yield good results, ensuring a satisfying harvest for you in August.

The Centurion Onion Sets from Jamieson Brothers are easy to grow and perfect for various dishes like salads and casseroles. To ensure success, you should plant them in well-draining soil, ideally in raised beds, which help prevent waterlogging. Remember to rotate your crops to avoid common onion issues. Once planted, minimal care is needed; only water during dry spells, allowing you to enjoy gardening without too much hassle.