Jermor
A long-storing, widely grown UK shallot with good-sized bulbs and a mild flavour.
When to plant Shallots in London
Allium cepa Aggregatum Group
A hardy allium for the UK garden, grown from sets. Plant in spring for a summer lift, or plant named autumn types for bulbs next summer. Give them a free-draining bed, keep weeds down, and lift once the tops yellow and fall over.
30 cm · Full Sun · Moderate Water
Calibrated to London · last frost ≈ 4 Apr
| Activity | January | February | March | April | May | June | July | August | September | October | November | December |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Plant out | No | No | No | No | No | No | No | No | No | Yes | Yes | Yes |
| Harvest | No | No | No | No | No | Yes | Yes | Yes | Yes | No | No | No |
Growing guide
What to do through the growing season
Growing guide for
Change the guide to see different planting timelines and tips.
Plant named autumn types once, in free-draining soil, for a lift next summer. Skip this if the ground sits wet.
01
Prepare the Bed
20 Oct to 1 DecDig the soil over before planting around 20th October - 1st December. Drainage must be good.
02
Plant the Sets
20 Oct to 1 DecPlant named autumn sets around 20th October - 1st December, tips just showing. Do not plant spring-only types. Space apart. Firm the soil. Water only if the ground is dry.
- Skip planting if the bed sits wet.
- Cover with fleece or mesh until they root.
03
Keep Weed Free
20 Oct to 7 Sept 2027 Dates as each sowing reaches this stageFrom 20th October to 7th September 2027, keep weeds down. Hoe lightly between the rows.
04
Lift and Cure
29 Jun to 7 Sept 2027 Dates as each sowing reaches this stageBulbs are ready next summer. Lift from 29th June 2027 when the foliage starts to yellow and fall over. Dry them for two to three weeks in an airy place, then store somewhere cool and dry.
Suggested varieties
Popular varieties of Shallot to consider
Longor
A popular French-style shallot with long bulbs and reliable crops from sets.
Red Sun
A red-skinned shallot that grows well from sets and stores well after curing.
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Shallot guides by town
See how Shallot timing shifts in other towns with different frost dates.