Cardwell's Penstemon: Penstemon cardwellii
$6.00 - $12.00
Plant type: evergreen perennial
Height: 1'
Light: full to part sun
Soil: moist to dry (well-drained)
PPL: no
Clusters of cool-warm purple flowers at the top, with evergreen foliage at the bottom. Grows on rock slopes, including Mount St. Helens, in openings in forests, at mid elevations.
Spreads by layering, sometimes in thick mats.
