After the stinging bristles were removed, the plant's leaves could be eaten raw or boiled. Stinging Nettle was also used as a disinfectant and tea was used for treating chest colds and internal pains (Strike, p. 159). Stem fibers could be used for bowstrings and basketmaking (Clarke, p. 161). 

Information on growing Stinging Nettle can be found here on Calscape. Also called California Nettle and Common Nettle, among other names, and can be used in butterfly gardens.