perennial
Penstemon grinnellii Eastw. ssp. scrophularioides (M.E. Jones) Munz
Penstemon grinnellii Eastw. ssp. scrophularioides (M.E. Jones) Munz
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Penstemon grinnellii Eastw. ssp. scrophularioides (M.E. Jones) Munz — seeds, tools & books
Native range
Native range not recorded for this plant. Often a non-native cultivar or naturalized garden plant.