Penstemon incertus - Mojave Penstemon, Western Desert Penstemon (Plant)

Showy flower spikes. Good at high elevations. Takes summer heat. Best with some summer water, but allow to dry out fully between waterings. Plant Characteristics Family Name Plantaginaceae Species Name Penstemon incertus Common Name Mojave Penstemon, Western Desert Penstemon Plant Type Perennial Sun Exposure Coast-Sun, Inland-Sun, Water Requirement Low Soil Type Sand, fast draining Flower Color Purple, Violet, Lavender Flowering Months May, June Evergreen/Deciduous Evergreen Height by Width 3ft. x 2ft. Growth Rate Slow Endangered Not Ranked Growth Habit Upright, Cold Hardy to 15 degrees F Distribution Southen High Sierra Nevada, Tehachapi Mtn Area, San Bernardino Mtns, Peninsular Ranges, Mojave Desert Natural Habitat Sandy washes, canyon slopes, sagebrush s