If you live in the US, you’ve probably seen Celestial Seasonings’ “Red Zinger” tea in your local grocery store. But what exactly is a “red zinger”? I’d never really thought about it until I was being shown around the vegetable garden at Hana Farms, and someone pointed to a thin bush saying, “that’s hibiscus, you know, red zinger, you can make tea from it.” If you can make tea from it, my interest is peaked, so I decided to try it out. After some internet research, I discovered that this wasn’t going to be as easy as I’d expected. Most recipes for hibiscus or red zinger tea suggest that you…