Penstemon newberryi var. sonomensis 'St. Helena'

Common Name:
Sonoma beardtongue
Plant Type:
Evergreen perennial
Plantaginaceae (formerly in Scrophulariaceae)
Geographic Origin:
California Native?:
Plant Size:
To 1 foot high
Landscape/Garden Uses:
rock gardens
Flowering Season:
Flower Color:
Purplish red
Sun or light shade
Well-drained soil
Suggested Irrigation:
Moderate to little watering
Estimated Hardiness:
Hardy to 10 degrees F. or less
Choice shrublet carries spikes of rich red flowers in spring and early summer over oval greyish green leaves. Great rock garden plant for well drained soil with moderate to little watering. This subspecies of the pink flowered Sierra species Penstemon newberryi is found on rocky slopes and outcrops on peaks in the mountains of Lake, Sonoma and Napa counties.