How to grow Shallot in the UK
Allium cepa aggregatum
Shallot (Allium cepa aggregatum) is a vegetable that grows well in UK gardens. Each set multiplies into 6-10 bulbs. Sweeter than onions. 'Longor' and 'Jermor' reliable UK varieties. This guide covers when and how to sow Shallot, the soil and position it likes, watering and feeding, companion planting, and when to harvest.
When to sow & grow Shallot
Sowing and harvest window through the year (UK):
Jan | Feb Plant | Mar Plant | Apr | May | Jun | Jul Harvest | Aug Harvest | Sep | Oct | Nov | Dec |
Soil, position & care
- Soil
- Fertile, free-draining soil enriched with garden compost
- Soil pH
- 6.5–7.0
- Position
- Open, sunny site
- Sowing depth
- Tip just showing
- Spacing
- 18 cm apart, rows 30 cm
- Sowing
- Plant sets Dec–Mar; each set multiplies into a clump
- Growing
- Keep weed-free and evenly watered; mulch to hold moisture
- Harvest & upkeep
- Harvest when foliage yellows in summer; store well
- Watch for
- Onion fly, white rot
Companion planting for Shallot
Grows well with:
Keep apart from:
Add Shallot to your free 12-month plan and get watering & sowing reminders — no sign-up needed.
Shallot FAQs
What grows well with Shallot?
Shallot grows well alongside Beetroot, Carrot, Lettuce, Strawberry, Beef Tomato, Cherry Tomato. Good companions can deter pests, attract pollinators or make better use of space.
What should you not plant near Shallot?
Keep Shallot away from Asparagus, Asparagus Pea, Broad Bean, Dwarf French Bean, Lupin, which can compete with it or share pests and diseases.
How much sun does Shallot need?
Shallot prefers full sun (6+ hrs direct).
When is Shallot ready to harvest?
Shallot is typically ready to harvest in July, August in the UK.
Is Shallot easy to grow?
Easy — good for beginners. Each set multiplies into 6-10 bulbs. Sweeter than onions. 'Longor' and 'Jermor' reliable UK varieties.