Shelf Life Tips
- How long do dried rosemary leaves last? The precise answer depends to a large extent on storage conditions - to maximize the shelf life of dried rosemary leaves store in a cool, dark cupboard, away from direct heat or sunlight.
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How long do dried rosemary leaves last at room temperature? Properly stored, dried rosemary leaves will generally stay at best quality for about 1 to 3 years.
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To maximize the shelf life of dried rosemary leaves purchased in bulk, and to better retain flavor and potency, store in containers with tight-fitting lids.
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Are dried rosemary leaves safe to use after the "expiration" date on the package? Yes, provided they are properly stored and the package is undamaged - commercially packaged dried rosemary leaves will typically carry a "Best By," "Best if Used By," "Best Before," or "Best When Used By" date but this is not a safety date, it is the manufacturer's estimate of how long the dried rosemary leaves will remain at peak quality.
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Do dried rosemary leaves ever spoil? No, commercially packaged dried rosemary leaves do not spoil, but they will start to lose potency over time and not flavor food as intended - the storage time shown is for best quality only.
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How can you tell if dried rosemary leaves are still good? To test whether dried rosemary leaves are still potent enough to be effective: Rub or crush a small amount in your hand, then taste and smell them - if the aroma is weak and the flavor is not obvious, the dried rosemary leaves should be replaced.
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