Ground Ivy, AKA alehoof or gill-over-the-ground, is an historically important brewing herb that I’d never fully appreciated until encountering it in its native land.
Myrica gale. Also known as sweet gale. A preservative as well as a flavoring and bittering agent. Of ancient and widespread use. It’s one of the herbs most frequently mentioned in descriptions of Medieval gruit blends.
Use fresh or very recently dried; quality appears to diminish rapidly.
Fascinating to see yarrow already in use as a brewing herb 3500 years ago. Here, it’s in combination with several bog plants: sweet gale, meadowsweet, cranberries and lingonberries.