Penstemon superbus (Superb Beardtongue)
Penstemon superbus (Superb Beardtongue)
80 (120)cm, Superb Beardtongue is a very ornamental perennial with coral to pale scarlet flower trumpets above dark bluish green leaves. It is native of rocky, dryish soils in south-western New Mexico (USA). For any rich, very well drained, slightly rocky soil in a sunny spot. V-VI.More Details »