Penstemon strictus (Rocky Mountain Beardtongue)
Penstemon strictus (Rocky Mountain Beardtongue)
50 (80)cm, Rocky Mountain Beardtongue is a most beautiful perennial with erect racemes with densely packed rich brilliant blue flowers with a purplish tinge. It is native of open spots in dryish woods and mountain meadows in California (USA). For any rich, well drained, slightly rocky soil in a sunny spot. V-VII.More Details »