How to Tell If Green Onions Are Bad
Quick answer
Bad green onions turn slimy, watery, and translucent, with mushy tops and a sour smell. A few dry, yellow tips can be trimmed, but slime means toss them.
Signs Green Onions have gone bad
- Slimy, slippery greens. A slick coat on the leaves or stalks means bacteria. If the slime is on more than a stalk or two, discard the bunch.
- Wet, translucent, mushy tops. Greens that look see-through, wet, and collapsed are rotting. Pick out those pieces and check the rest.
- Sour or rotten smell. Green onions smell sharp and fresh. A sour, rotten, or sulfur-like odor means they’ve turned.
- Mushy white bulbs. The white ends should be firm. If the bulbs are soft, slimy, or dark at the root, the onion is bad.
- Mold or fuzzy spots. White or gray fuzz, especially near the root end or in packed bunches, means mold. Discard them.
- Brown, liquid-filled stalks. Tubes that look filled with brown liquid inside mean the stalk is decaying. Toss those pieces.
Looks weird, but it's fine
- Dry, yellow, or brown tips. Trim the dry ends. The rest is good if the stalks are firm and fresh smelling.
- Limp greens. Soak them in ice water for about 10 minutes, or use them in cooked dishes.
- Regrowth from the roots. Green onions can keep growing when placed in water. It’s a fun way to stretch a bunch.
How long do Green Onions last?
| Where | How long | Note |
|---|---|---|
| Fridge | 1–2 weeks | whole, wrapped in a damp paper towel |
| Fridge | 2–3 days | chopped, sealed |
| Freezer | 10–12 months | chopped, in a bag |
How to store them
- Wrap the bunch in a barely damp paper towel and tuck it into a bag in the crisper. Check it every few days.
- Or stand the root ends in a jar with an inch of water on the counter or in the fridge, and change the water every few days.
- Chop and freeze extras in a flat bag for soups, noodles, and eggs.
Use it up before it turns
Frequently asked questions
Can you eat slimy green onions?
No. A slimy coat is a sign of bacterial spoilage. If just one outer stalk is slimy, remove it and check the rest, but if several are slick, toss the bunch.
Can you use green onions that are limp or yellow at the tips?
Yes, if they smell fresh and aren’t slimy. Trim the yellow tips and soak the limp stalks in ice water to refresh them.
How do you know if green onions have gone bad?
Look for slime, mushy or see-through greens, and a sour smell. If you find any of these, throw them out.
More food freshness guides
General guidance based on USDA FoodKeeper. Storage times are estimates and conditions vary. When in doubt, throw it out.