Shrub - Clonal
Europe; Naturalized in Ontario & OH
Strong leaf tea was popular in Scotland.
Source of plant
Dwarf, rhizomatous shrub; stems pubescent, 18" to 20" in height. Leaves triangular-ovate, cordate totruncate at the base, crenate, rugose; inflorescence to 6" long, simple or branched; calyx villous, glandular, the corolla 5/16" long, pale yellow, the stamens long-exserted.
USDA Hardiness Zone