I bought some fresh mint in a local health/good food store today... and it is The most tasteless, fragrant-free, un-mint (is "chaulky" unfair in this regard?) I've ever experienced!
My typical view of mint is that it is an overwhelming spice... but not this crap-mint I've just bought.
Am I the only Chow-victim in this non-mint/un-mint scam?
Essential oils within the plant tissues are what give herbs their fragrance and flavor. Was the mint fresh and lively looking? No limp stems? Could be it had lingered way too long in the farm-to-store process.
Next time try to inspect it by pressing a leaf between your fingers or even waving a bunch in the air--should release some essential oil. Ask the produce dept employee to open a package for you if they are sealed.
Mint is the easiest herb to grow in a pot. Likes water but will thrive on neglect. Invasive in the garden. "the eggplant that ate Chicago"