I think this was at an Albertsons grocery store. All the vegetables on this particular shelf had little signs like this identifying their uses.

Habañero peppers, a good source of capsaicin? No kidding!

I remember when I was younger, “jalapeño” was practically a synonym for “hot.” I had no idea it was barely the beginning. Jalapeños are only 2,500–8,000 on the Scoville scale—far below the 100,000–350,000 quoted for habañeros.