BEARDTONGUE
Penstemon digitalis 'Dark Towers'
COLLECTION
Westbrook Wall Garden
FAMILY
Plantaginaceae
PLANT TYPE
Herbaceous Perennial
ZONE
3-8
CULTURE
Grows in pH-neutral soils in full sun. Tolerates average, well-drained soils with organic matter.
NOTEWORTHY CHARACTERISTICS
‘Dark Towers’ is a clump-forming perennial that grows 1 1/2 to 3 feet tall. It produces light pink flowers on tall stems over wine-red leaves from May to June.
PROBLEMS
Root rot in wet soils can occur if poorly drained.
GARDEN USES
Used in mix border, rock gardens and as a cut flower.
HISTORY
Introduced by Dale Lindgren of the University of Nebraska. Our specimen was planted in 2014.
WESTBROOK WALL GARDEN COLLECTION