Onions

One of the most versatile of all vegetables – onions are a staple of many diets. Complementing a wide range of different dishes and recipes – onions are one of the most popular crops found in British gardens. At Capital Gardens, we stock a comprehensive range of onions from long salad onions to traditional yellow onions – perfect for all palates and requirements.

At Capital Gardens, we have selected onion bulbs from respected and trusted growers – ensuring the highest standard of grown onions. This can help you grow bumper crop after bumper crop of healthy and delicious onions which can be plucked from the ground at maturity and served at the table.

Onion Bulbs

From Red Suns to Bedfordshire Champions – we stock a huge array of delicious and versatile onion bulbs. The La Cipolla Rossa de Toscana red onions offer a beautiful crunch and sharp, sweet taste – perfect for summer salads or winter stews. The robust and long-lasting onions can be harvested for a number of months throughout the year, and can be stored for eating throughout the autumn and winter.

The bulbs are incredibly simple to grow – perfect for first-time veg patch growers who are looking for some quick wins with minimal effort and maximum reward. Stored correctly, the onions can last for months – helping you save on your weekly grocery bills.

Salad Onion Bulbs

At Capital Gardens, we stock some more specialist onion bulbs – including a great selection of bulbs for salad onions. The North Holland Blood Red Redmate salad onion bulbs are the perfect way to add a little colour to the salad bowl. Without compromising taste – the fetching blood red colour of the onions are sure to catch the eyes of your fellow diners.

The mild flavour of the onion lends it perfectly to raw salads – ensuring that other tastes are never overpowered and lost underneath the onion tones.

  • ONION RADAR

    ONION RADAR

    Onions sets are often undemanding and require occasional watering especially during the dry periods throughout the year. Harvest the onions during ate June-July, usually a week or two after the leaves turn yellow. Produces a mild flavored onion bulb that can be eaten fresh or stored during Autumn.

    • Ideal for: kitchen Gardens
    • Hardy
    • Full sunlight
    • Height: up to 45cm
    • Flowers during: June-July
    • Harvest: May-June

    This product is available at the following Garden centres:

    • Alexandra Palace Garden centre
    • Neals Nursery Garden centre
    • Woods of Berkhamsted Garden centre
    • Studley Green Garden centre
    • Sherfield On Loddon Garden centre
    £1.99
  • ONION STUTTGARTER GIANT

    Onion Stuttgarter Giant – 50 per pack

    Very popular golden skinned, white fleshed variety. Produces slightly flatted rounded bulbs, grown for commercial use but now you can grow at home! Onion sets are easy to grow in the garden simply push each set just into the soil in rows and water in which makes them ideal for beginners. Plant them around 20cm apart to ensure they have enough space to swell and aren’t competing for water and nutrients. Be aware of birds and squirrels as they can pull them up and have them as a snack! Once mature lift and remove all soil, then leave on the ground if its warm and dry or dry them off inside.

    This product is available at the following Garden centres:

    • Alexandra Palace Garden centre
    • Neals Nursery Garden centre
    • Woods of Berkhamsted Garden centre
    • Studley Green Garden centre
    £1.99
  • ONION RED BARON

    Onion Red Baron – 50 per pack

    The ‘Red Baron’ onion is a mid to late maturing variety that produces firm and flattened round bulbs, in a wonderful deep red colour. The red rimmed flesh has a strong and distinct flavour makes a delicious addition to salads. Red Baron is a mid-late maturing variety and produces firm, flattish-round bulbs of a beautiful dark red colour. With red rimmed flesh and a strong flavour this variety makes an attractive and tasty addition to salads. An excellent cropping red onion with good storage potential. This variety was awarded the RHS Award of Garden Merit.

    Plant in a position with full sun, they make an excellent addition to a kitchen garden.

    Easy to grow, plant from mid February to March and your ‘Red Baron’ onions will be ready to harvest from August.

    This product is available at the following Garden centres:

    • Alexandra Palace Garden centre
    • Neals Nursery Garden centre
    • Woods of Berkhamsted Garden centre
    • Studley Green Garden centre
    £1.99
  • ONION KARMEN

    Onion Karmen – 50 per pack

    The red onion ‘Karmen’ is an attractive red skinned, flattened globe onion that has white flesh with a sweet taste with rings of deep crimson throughout. Perfect within a salad or when cooking, this heavy cropping onion also stores well, which enables them to be used for long periods.

    Best planted from March to April in a position that receives full sun. Be sure to prepare your soil a few weeks before planting by adding compost or soil enricher. Give your sets enough room to mature and bulk, spacing in rows of up to 30cm apart with the neck facing upwards leaving the tops poking through the surface. Water regularly.

    These onion sets are easy to grow in the garden, which makes them ideal for beginners.

    This product is available at the following Garden centres:

    • Alexandra Palace Garden centre
    • Neals Nursery Garden centre
    • Woods of Berkhamsted Garden centre
    • Studley Green Garden centre
    £1.99
  • ONION HERCULES F1

    Onion Hercules – 50 per pack

    Winner of the RHS Award of Garden  Merit the ‘Hercules’ onion produces high yields of spherical bulbs with golden skins and firm, rich flesh that is well flavoured. They have a good resistance to bolting and can keep for several months. They are a truly marvellous variety that are highly uniformed and sprout tolerant.

    They establish quickly and grows relatively quickly too- maturing 18-20 weeks from planting.

    Plant in spring and they will be ready to harvest in late summer. They are disease and pest tolerant and thrive in ordinary conditions which make them perfect for the beginner gardener.

    Plant around 20cm apart so they have space to establish without competing for nutrients. Once they have matured dry out indoors .

    This product is available at the following Garden centres:

    • Alexandra Palace Garden centre
    • Neals Nursery Garden centre
    • Woods of Berkhamsted Garden centre
    • Studley Green Garden centre
    £1.99
  • ONION CENTURION F1

    Onion Centurion – 50 per pack

    The classic onion. It is strong growing and will produce an abundance of heavy yields that are early maturing. An even golden colour and uniform flattened globe shaped bulbs, together with good storing ability makes them a fantastic and easy variety to grow. It’s even won the RHS Award of Garden Merit! Perfect for beds and borders, choose a location within your garden that receives full sun. Plant from February to April and you will be able to harvest your ‘Centurion’ onions in August to September.

    This product is available at the following Garden centres:

    • Alexandra Palace Garden centre
    • Neals Nursery Garden centre
    • Woods of Berkhamsted Garden centre
    • Studley Green Garden centre
    £1.99
  • SHALLOT RED SUN

    SHALLOT RED SUN

    Popular shallot has attractive red tinged skin growing up to 35cm high. The shallot produces excellent yields of crisp, white fleshed bulbs of brilliant flavors for cooking salads for pickling having long storage potential. Flowers during June to July and harvest during August with easy aftercare.

    This product is available at the following Garden centres:

    • Alexandra Palace Garden centre
    • Neals Nursery Garden centre
    • Woods of Berkhamsted Garden centre
    • Studley Green Garden centre
    £2.49
  • SHALLOT LONGOR

    SHALLOT LONGOR

    Excellent banana type variety has copper coloured skin with pink flesh. Each of the shallots yields 6-8 bulbs at harvest which are very easy to peel and slice. Harvest during June/September and enjoy the mouthwatering sweet flavor. Plant in an type of soil in beds & boarders in direct sunlight growing up to 11-20cm high.

    This product is available at the following Garden centres:

    • Alexandra Palace Garden centre
    • Neals Nursery Garden centre
    • Woods of Berkhamsted Garden centre
    • Studley Green Garden centre
    £2.99