Expiration & Storage Tips
When does ground thyme expire?
Unopened ground thyme can last up to three to four years when stored properly. Even past the best by date mentioned on the container, its flavor can still hold up well, provided it's been kept in the appropriate conditions. Once the container is opened, it's best to use it within one to two years for optimal flavor. Ground thyme doesn't typically take to freezing well due to its powdery nature; it's usually best used directly from your spice cabinet.
How do you tell if ground thyme is bad?
To tell if ground thyme has gone bad, you can rely on three main indicators: smell, color, and taste. If the aroma has faded and does not have a strong scent when you sniff it, it's a sign the thyme might have lost its potency. The color can also become faded over time. If it looks dull or has lost much of its green color, it's a good indicator that it might not be at its best. However, the best way to tell is to taste a little bit. If it tastes less flavorful or has a stale or off taste, it might be time to replace your ground thyme.
Tips for storing ground thyme to extend shelf life
• Store your ground thyme in a tight-seal container to keep moisture and air out. A glass jar with a well-fitting lid works great.
• Keep it in a cool, dark place—like a pantry or spice cabinet—away from direct sunlight and heat sources, like your stove or oven.
• Do not use a wet spoon or introduce any moisture to the container, as it can lead to clumping or mold growth.
• If you have too much ground thyme, consider sharing some with a friend or acquaintance. Spices are best when they're fresh and used relatively quickly!