Info and Tips on Growing Arnica

Arnica montana (Mountain Arnica), the endemic European species, is considered official.  However, other species of Arnica (there are 28 in North America) are used by local herbalists, and appear to be medicinally interchangeable with the official species.  Arnica chamissonis (Meadow Arnica) enjoys a  wide distribution in North America and Europe, and is listed in the German Commission E Monograph as …