Penstemon whippleanus
(Chocolate Drop Penstemon)
50 seeds $3.50
out of stock
Penstemon whippleanus 'Chocolate Drop' blooms in midsummer with drooping, purple-black flowers clustered near the top of the tall stems.
Penstemon whippleanus is native to the Rocky Mountain region of the U.S. from Montana to Arizona. Also known as Whipple's Beardtongue. Tolerates part shade. Hardy in zones 4-8. Give 3 weeks cold-moist stratification.
height 20" spacing 12"
Sowing Penstemon whippleanus 'Chocolate Drop' Seeds
Start penstemon seeds indoors in late winter. Sow on the surface or barely cover the seeds with soil, then refrigerate for 3 weeks. Full sun.