Penstemon whippleanus - Dark Flower


This dark flower population of Whipple's Penstemon, Penstemon whippleanus,  from Mineral County, Colorado is described by seed collector Alan Bradshaw of Alplains as having "very dark purple to black flowers".  It is a difficult flower to get just right in a photograph because it glows with red tones in the sun and appears very dark in low light and shade.  The handsome foliage is bright green and healthy looking even in cold weather.  30 x 20" Grow in full to part sun in gritty, well-drained soil with low to occasional water.   Hardy to -40 degrees F. Scrophulariaceae

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