Royal penstemon
Penstemon speciosus
Royal penstemon is a stunning native perennial known for its large, brilliant blue tubular flowers that put on a spectacular show in late spring and early summer. It thrives in full sun with well-drained, even gravelly soil and requires little supplemental water once established in its Great Basin and Pacific Northwest home range. This plant is a magnet for hummingbirds and native bees, making it a standout addition to pollinator gardens.
Care Level
Low
Sun
Partial Shade
Water
Moderate
Growth Rate
Moderate
Mature Height
12″ – 48″
Soil
loam
Life Cycle
Perennial
Spacing
24″
Watering Schedule
Every 10-14 Days • Water Deeply And Allow Soil To Dry Between Waterings; Reduce Watering In Summer Dormancy
Soil pH
6.4 – 8
Temperature
-25° – 95°F
Mature Spread
up to 48″
Root Depth
Medium
Foliage
Coarse
Propagation: Seed, Division, Cutting
Native to
Attracts
Sources
Data: trefle, usda
Image: trefle.io — Taken Jul 10, 2019 by Nancy (cc-by-sa)
No nurseries currently have this species in stock.