How long do lemons last?
They keep at room temperature for about 10 days.
Applies to: Fresh whole lemons.

Shelf life of lemons at a glance
| Storage | Keeps |
|---|---|
| Room temperature | 10 days |
| Fridge | 10 days |
Lemons need somewhere cool out of direct sun; kept in a bag in the fridge they stay juicy. A cut lemon goes cut side down into a container in the fridge and should be used within a few days. Throw away any lemon that shows mould.
How to tell if lemons have gone off
These are guide values for food that has been stored properly. Check how it looks, smells and feels: mould, a sour or unusual smell or a slimy surface mean it should go in the bin. Eat raw meat and fish strictly within these times, and never after the use-by date.