5 years to reach maturity
This plant has no fragrance
More images of Rocky Mountain Penstemon
Rocky Mountain Penstemon Overview
Penstemon strictus is one of the largest and longest-lived Penstemon species. Originally from the Rocky Mountains, it is adapted for dry conditions and poor soils. In mild Winters, Penstemon strictus will retain its deep green foliage and provide interest all year round. Penstemon strictus blooms profusely with beautiful violet/blue flowers that wildlife love.
Common problems with Rocky Mountain Penstemon
Susceptible to leaf and bud eelworms and downy mildew
How to harvest Rocky Mountain Penstemon
Not generally harvested
How to propagate Rocky Mountain Penstemon
Sow in seed trays early Spring
Divide early spring when new growth starts
Semi-hardwood and Softwood cuttings are often successful.
Special features of Rocky Mountain Penstemon
Other uses of Rocky Mountain Penstemon
Rock garden, wildflower/meadow