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.