Best Onion Vegetable Plants of 2025

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Onion vegetable plants are a popular choice for gardeners and farmers alike. These plants produce edible bulbs that can be used in a variety of dishes, adding flavour and nutrition to meals. Onion plants are relatively easy to grow, making them a great option for beginners or those looking for a low-maintenance crop. They can be grown in a variety of soil types and climates, and require minimal fertilisation or pest control. Onion plants also have a long shelf life, making them a convenient addition to any kitchen or pantry.
At a Glance: Our Top Picks
Top 10 Onion Vegetable Plants
250 Grams Senshyu Onion Sets for Garden
The Senshyu Onion Sets are perfect for your garden, offering easy planting between September and November for a harvest from June onwards. You can plant the bulbs simply by placing them 6cm deep and 20cm apart, making it a stress-free experience for both beginners and experts. They thrive in well-drained soil with full sun, ensuring healthy and firm bulbs for your kitchen. This variety is known for its high yield and reliable growth, providing you with delicious onions rich in vitamins and minerals.
White Onion Plug Plant Pack - Premium Quality
The White Onion Plug Plants offer premium quality, ensuring you receive healthy and robust plants ready for your garden. These mid-maturing onions produce firm, round bulbs with a milder flavour, perfect for enhancing salads or a variety of dishes. They are easy to care for, requiring only full or partial sun and regular watering, making them accessible for any gardener. With good storage potential, these onions can be a reliable addition to your cooking repertoire.
Onion Sets Electric 250g for Kitchen Garden
The Onion Sets Electric are perfect for your kitchen garden, offering simple planting instructions and a stress-free growing experience. You can sow them between September and November, leading to a delightful harvest from June onwards. With a planting depth of just 6cm and spacing of 20cm, you will enjoy healthy, firm bulbs in no time. These onions thrive in well-drained soil and require full sun, ensuring you have an abundant supply of this essential vegetable rich in vitamins and minerals.
Japanese Onion Plug Plants - 8 Pack
The Japanese Onion Plants offer premium quality and resilience, ensuring you receive healthy and robust plug plants ready for your garden. These onions thrive in lower light conditions, allowing you to enjoy early harvests in spring and summer. Their delightful flavour enhances a variety of dishes, making them perfect for stir-fries, soups, and salads. Supplied in a pack of eight, these garden-ready plants are easy to plant and cultivate, providing you with fresh onions to elevate your culinary creations.
Japanese Onion Plug Plants - 6 Pack
The Japanese Onion Plants are premium quality plug plants that ensure the best growing results. These resilient varieties thrive with less light and will grow beautifully during the short days of Spring and early Summer, providing you with the first onions of the year. Perfect for various dishes, they add a lovely flavour and can be eaten raw in salads. Supplied as a pack of six healthy plug plants, they are garden-ready and simple to plant, making your gardening experience hassle-free.
Premium Quality Spring Onion Plants for Home Growing
The Root Source Spring Onion Plants are incredibly easy to grow, perfect for both novice and experienced gardeners. Their strong, vigorous plants ensure that you will see healthy growth, bringing satisfaction to your gardening efforts. With professional seed varieties, you can expect high yields, meaning more delicious spring onions for your meals. The convenient letterbox friendly packaging makes delivery hassle-free, so you can start planting without waiting for a signature.
Starlight Salad Onion Plug Plant Pack
The Starlight Onion Plants are top-quality plug plants that arrive in excellent condition, thanks to careful packaging. This vigorous variety is perfect for overwintering and features upright, dark green leaves, making it hardy and reliable for your garden. You can enjoy these onions in a variety of dishes, especially stir fries and salads, enhancing the flavour of your meals. With a height of 12 inches and a spread of just 2 inches, they are garden-ready and easy to plant.
Premium Quality White Onion Plug Plants
Root Source Onion Plants are an ideal choice for anyone looking to grow their own vegetables. They are easy to grow, making them perfect for both beginners and experienced gardeners. With strong, vigorous plants, you can enjoy a bountiful harvest of tasty onions. These plants are known for their high yields, ensuring that you get the most out of your gardening efforts. Plus, the letterbox friendly packaging means you won’t have to worry about being at home for delivery.
Thompson and Morgan Onion ‘Sturon’ Sets
Onion ‘Sturon’ Sets by Thompson and Morgan are a fantastic choice for any gardener. These versatile onions offer excellent flavour, enhancing your dishes beautifully. They are easy to grow, making them perfect for both novice and experienced gardeners alike. This long-standing variety is known for its reliability, ensuring that you can count on a successful harvest season after season. With these sets, you can look forward to growing delicious onions with minimal fuss.
Centurion Onion Sets for Spring Planting
The Centurion Onion Sets offer 50 high-quality bulbs that are perfect for planting from February to April. You can expect a strong growth, leading to a heavy and early maturing crop. The even skin colour and uniform globe-shaped bulbs make them ideal for showcasing at events. Additionally, these onions boast excellent keeping ability, ensuring you enjoy their flavour for longer. Each order comes hand packed with full planting instructions, making the process easy and straightforward for you.
During our onion vegetable plant research, we found 24 onion vegetable plant products and shortlisted 10 quality products. We collected and analyzed 2,164 customer reviews through our big data system to write the onion vegetable plants list. We found that most customers choose onion vegetable plants with an average price of £10.98.
The onion vegetable plants are available for purchase. We have researched hundreds of brands and picked the top brands of onion vegetable plants, including schone, Acqua Tower Growing Systems, Schone Products (UK), Root Source, Thompson & Morgan. The seller of top 1 product has received honest feedback from 914 consumers with an average rating of 4.9.

Toby Butcher is a Horticulturist, and he earned his title as a Master Gardener in 2016. Toby has acquired a 25-year experience as a home gardener planting, designing, grooming vegetables and flowers. He is the leader of a plant group in Durham. Toby owns a blog where he publishes articles on growing and growing your flowers at home, in a vase, or in a garden.