Rock Garden Plants
Penstemon sonomensis Greene sect. Erianthera 
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FamilyPLANTAGINACEAE
Genus speciesPenstemon sonomensis Greene sect. Erianthera
BibliographyPittonia 2: 218 (1891)
Native RangeCalifornia
Primary BiomeTemperate
Habitatrocks and scree
Altitude800-2300m
Descriptionleaves pale green, coriaceous, obcordate, mucronulate, denticulate, very shortly petiolate, thyrsus secund, sepals lanceolate, acuminate, corolla 22-30mm
Size20-30cm
Colorpurple
Bloomlate spring, summer
Ca
Typesubshrub
Cultivationsunny rock crevices, protection against winter wet
alpine house, poor, drained soil, sun
Propagationseed in spring, barely covered, germ. 1-3 months, 13-18°C
cuttings in late summer
SynonymsPenstemon newberryi var. sonomensis (Greene) Jeps.
Penstemon newberryi ssp. sonomensis (Greene) D.D.Keck
Territory7 Northern America
     76 Southwestern U.S.A. (CAL California)
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