Penstemon angustifolius var. angustifolius
Penstemon angustifolius var. angustifolius var. angustifolius
Narrow-leaf penstemon is a hardy Great Plains and Rocky Mountain native that performs best in full sun with well-drained sandy or gravelly soil. Once established it requires minimal supplemental watering and is very tolerant of cold winters across its native range. Plant in groups for a bold display of blue to purple tubular flowers that attract hummingbirds and pollinators.
Care Level
Low
Sun
Partial Shade
Water
Moderate
Growth Rate
Fast
Mature Height
12″ – 24″
Soil
sandy loam
Life Cycle
Perennial
Spacing
18″
Flowers
white
Watering Schedule
Every 10-14 Days • Water Deeply But Infrequently; Allow Soil To Dry Between Waterings
Soil pH
7 – 8.5
Temperature
-25° – 95°F
Mature Spread
up to 12″
Root Depth
Medium
Foliage
Medium
Native to
Attracts
Sources
Data: trefle, usda
No nurseries currently have this species in stock.