Grits (boxed) keep about 12 months in the pantry.
That's the longest window published for Grits (boxed) — sealed in the pantry is its best case.
| Situation | Keeps for |
|---|---|
| Unopened · pantry | 12 months |
Air and warmth are what shorten an opened item's life — the right container buys back the days the packaging gives up once the seal's broken.
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About 12 months, according to USDA FoodKeeper v128, stored as follows: cool, dry pantry away from heat and light.
Grits (boxed) are shelf-stable at room temperature: cool, dry pantry away from heat and light. Refrigerating it mainly preserves quality rather than safety.
Look for: A rancid, paint-like, or musty smell; Bulging, leaking, deeply dented, or rusted cans; Insects or webbing in dry goods; Mould or discoloration. Those are the general signs for pantry staples — USDA FoodKeeper v128 publishes no spoilage note for Grits (boxed) specifically. Never taste something to test it — when in doubt, throw it out.