Whipple's penstemon "Chocolate Drop"

For the rockgarden, flowers or seedcapsules for cutting. Winterprotection needed. Juni-Juli. Z4-Z8. Height: 20 cm. Purple-blue. Gram to per 1000 plants = 2,0 g.
* These perennial seeds germinate very irregulary over a long period. Lower temperatures of less than +5 °C are very effective.
Seed trays should not be discarded prematurely. Constant moisture must be maintained. Do not leave in direct sunlight.

Whipple's penstemon. Bot. syn.: Penstemon arizonicus A.Heller.