How long do sunflower seeds last?
Quick answer
Sunflower seeds (roasted, no shell, opened) keep 7-8 months in the fridge.
Fridge
After opening
7-8months
Freezer
No known time
-
Pantry
3-4months
Mine has been in the fridge for
Refreeze after thawing in the fridge?
- United States
- Yes
- United Kingdom
- Only after cooking
How long do sunflower seeds last in the fridge?
- Roasted, no shell, opened7-8 monthsAfter opening
Your fridge should be set between 0 and 5°C.
Refrigerators should be set to maintain a temperature of 40 °F or below.
Can you freeze sunflower seeds?
Can you refreeze sunflower seeds?
- In the United KingdomOnly after cooking
- In the United StatesYes
You can freeze food again once cooked, but you’ll only be able to reheat it once after that
Food thawed in the refrigerator can be refrozen without cooking, although there may be some loss of quality.
Foods thawed by the cold water method should be cooked before refreezing.
After cooking raw foods which were previously frozen, it is safe to freeze the cooked foods.
Can sunflower seeds be kept out of the fridge?
- Raw, unsalted, no shell12 months
- Roasted, no shell12 months
- Roasted, no shell, opened3-4 months
- Roasted, salted, in shelluse-by date on package
All forms at a glance
| Form | Fridge | Freezer | Pantry |
|---|---|---|---|
| Raw, unsalted, no shell | - | - | 12 months |
| Roasted, no shell | - | - | 12 months |
| Roasted, no shell, opened | 7-8 months | - | 3-4 months |
| Roasted, salted, in shell | - | - | use-by date on package |
| General guidance | - | - | - |
Frequently asked questions
How long do sunflower seeds last in the fridge?
Roasted, no shell, opened: 7-8 months.
Can you refreeze sunflower seeds?
In the United Kingdom: Only after cooking; In the United States: Yes.
Sources
We always show the most cautious time among official sources. Last checked: 1 October 2026.