Penstemon strictus
Rocky Mountain Penstemon
Description
Perennial grows to a mature size of about 2' x 2'. In cooler parts of Arizona it blooms in early summer with 2' spikes of violet blue flowers. Very hardy and one of the easiest Penstemons to grow. Best suited to higher elevations rarely blooms in low desert. Native to upland grasslands of Coloado and Wyoming, all the way down into Arizona.
Sun
Full, Half
Water
Very Low, Low
Growth Rate
Moderate
Soil Type
Sandy, Loam, Rocky
Soil Condition
Average, Poor, Well-drained
Soil pH
Neutral, Basic
Adverse Factors
n/a
Water Saving Tip:
As the weather gets hotter avoid the temptation to increase run times.
Instead, schedule more start times with one to two hours in between to allow the water from the previous session to soak in before watering again.