How long do sunflower seeds last?
Quick answer
Sunflower seeds (roasted, no shell, opened) keep 7-8 months in the refrigerator.
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 refrigerator?
- Roasted, no shell, opened7-8 monthsAfter opening
Refrigerators should be set to maintain a temperature of 40 °F or below.
Your fridge should be set between 0 and 5°C.
Can you freeze sunflower seeds?
Can you refreeze sunflower seeds?
- In the United StatesYes
- In the United KingdomOnly after cooking
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.
You can freeze food again once cooked, but you’ll only be able to reheat it once after that
Can sunflower seeds be stored at room temperature?
- 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 refrigerator?
Roasted, no shell, opened: 7-8 months.
Can you refreeze sunflower seeds?
In the United States: Yes; In the United Kingdom: Only after cooking.
Sources
We always show the most cautious time among official sources. Last verified: October 1, 2026.