Medically reviewed by Melissa Nieves, LNDMedically reviewed by Melissa Nieves, LND Horsetail (Equisetum arvense or E. arvense) has been used as a medicinal herb to promote hair, nail, and bone ...
She recommends to boost plant health using liquid manure, which you can make yourself from nettles or horsetail, for example. Put the shoots in a large container filled with water. "Place it in a ...