Penstemon strictus
Rocky Mountain Penstemon
Description
Perennial grows to a mature size of about 2' x 2'. It is native to the Mountain States regions 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, Utah and Wyoming, all the way down into Arizona.
Sun
Full, Half
Water
Low, Medium
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:
Watering every day results in shallow roots.
Instead, water deeply every few days using the Cycle and Soak method (two or more short run times, each separated by about an hour).