Only situations with a published figure are listed. A blank isn't “forever” — it means no reliable number is published for it.
Storage
Store at: Cool, dry pantry away from heat and light
Refrigerate after opening: Optional — mainly for quality, not safety
USDA FoodKeeper v128 tip (refrigeration): Refrigeration not necessary for unsalted pumpkin seeds.
How to tell if Pumpkin seeds (roasted, no-shell) has gone bad
A rancid, paint-like, or musty smell
Bulging, leaking, deeply dented, or rusted cans
Insects or webbing in dry goods
Mould or discoloration
USDA FoodKeeper v128 publishes no spoilage note for Pumpkin seeds (roasted, no-shell) specifically, so these are the general signs for pantry staples — never taste something to test it. When in doubt, throw it out.
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.
How long do Pumpkin seeds (roasted, no-shell) last?
About 6 months, according to USDA FoodKeeper v128, stored as follows: cool, dry pantry away from heat and light.
Do Pumpkin seeds (roasted, no-shell) need to be refrigerated?
Pumpkin seeds (roasted, no-shell) are shelf-stable at room temperature: cool, dry pantry away from heat and light. Refrigerating it mainly preserves quality rather than safety.
How can you tell if Pumpkin seeds (roasted, no-shell) are bad?
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 Pumpkin seeds (roasted, no-shell) specifically. Never taste something to test it — when in doubt, throw it out.