Arugula keeps about 3–7 days in the fridge at 40°F (4°C) or below, counting from the day you bought it.
| Situation | Keeps for |
|---|---|
| Unopened · fridge | 3–7 days |
About 3–7 days at 40°F (4°C) or below, according to USDA FoodKeeper v128. That window runs from the day you bought it — FoodKeeper publishes no separate after-opening figure for this one.
Yes — keep Arugula at 40°F (4°C) or below. Refrigerate at 40°F (4°C) or below.
Look for: Sliminess or a wet film; Mould or dark mushy spots; Limp, shrivelled, or yellowing leaves; An off or sour smell. Never taste something to test it — when in doubt, throw it out.