White Onion Plants
Solid and utterly dependable
Grown by Cameron
Roots' Cotswolds Valley Nursery
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Plant diary
- Flower
- Harvest
White Onion Plants
- An easy to grow classic onion - solid, dependable, fresh and delicious
- Produces heavy crops of mild, crisp white onions with a golden brown skin - equally good raw in salads or cooked
- Grow in raised beds or open ground. Top tip - grow alongside mint to deter onion fly
- You will receive a strip of 32 healthy young plants ready to grow on
- Bred especially for the UK climate
- Plant out after the first frosts and harvest from August to September. These onions have excellent storage properties and keep for months
- Premium plants grown by vegetable experts on a family run farm in Lancashire and sent to you at the best possible time for planting
- Growing your own gives you healthy, fresh produce with a lower carbon plantprint than anything you can buy from a shop
- Easy to grow and care for - simply remove your plants from their strip and pot them on individually until the last chance of frost has passed and they're ready to plant outside. You should see your first onions within 18-20 weeks
What to expect
Supplied as
Eventual height
Eventual spread
Tasting notes
Time to first crop
Hardiness
Uses
Spacing
Will this grow in my garden?
Can I grow this in a pot?
Yes, white onion plants have shallow root systems and can be grown successfully in wide troughs or 20-centimetre pots.
How big does it get?
White onion plants produce tubular leaves that reach a height of 30 to 45 centimetres and a spread of 10 to 15 centimetres.
How much sunlight does this need?
The white onion prefers full sun.
What kind of soil does this plant prefer?
White onion plants prefer a light, well-drained, and moderately fertile soil.
How much watering does this plant need?
White onion plants require consistent watering, needing about 2.5 to 5 centimetres of water per week to keep the soil evenly moist.
Will this plant need pruning?
No, white onion plants do not require pruning.
How hardy is this plant?
The white onion is a hardy plant with an RHS hardiness rating of H4, allowing it to survive winter temperatures down to -10°C. It is hardy through most of the UK, although it may suffer foliage damage in particularly cold inland valleys or at altitude.
The wider garden
Roots' Cotswolds Valley Nursery
Meet Cameron
An experienced hand from seed to harvest
When it comes to veg plants, if Cameron doesn’t know about it? It ain’t worth knowing. They’re one of his horticultural passions and the quality of the produce he – well, produces – at the nursery is testament to that fact. Cameron pairs time-honoured horticultural traditions alongside the very best modern techniques in our fabulous, purpose-built nursery in Evesham. With a background that saw him place at the Grand Finals at the Young Horticultural Awards back in 2022, we’re proud to have someone that really knows his onions.
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