Penstemon idahoensis
Penstemon idahoensis is a perennial ornamental plant that thrives in full sun with medium water requirements. It grows to a height of 0.3–0.6 meters and blooms from May to July with purple and blue flowers. It prefers loamy, sandy, and chalky soil.
Light
Full sun
Watering
Medium water
Soil
Loamy, Sandy, Chalky
Height
0.3–0.6 m
Spread
0.3–0.5 m
Zones
4–8
Flower colors
This plant prefers full sun and medium watering. Ensure the soil is loamy, sandy, and chalky. It attracts pollinators and is suitable for rock gardens or borders.