Penstemon whippleanus
Dusky or Whipple's Penstemon
A Native Colorado Montane to Subalpine Species
Scrophulariaceae or Snapdragon Family
8 tp 14 inches tall - dark purple, off-white, lilac, bicolor lilac & white, red-violet and powder blue
Full Sun to part shade
Ordinary garden soil
Late Spring to mid-summer
Propagate by seed, cutting or division
Photos by Jane Hendrix