Royal Penstemon
Penstemon speciosus
Royal penstemon is a Great Basin showstopper with brilliant azure-blue trumpets on stout stems, demanding only sun and very sharp drainage.
- Family
- Plantaginaceae
- Type
- wildflower
- Lifespan
- perennial
- Height
- 1–2.5 ft
- Spacing
- 1–1.5 ft apart
- Light
- sun
- Soil moisture
- dry
- Soil pH
- neutral, alkaline
- Bloom
- May, June
- Bloom colors
- blue
- Wildlife value
- pollinators, hummingbirds, butterflies
- Landscape uses
- border
- Native states
- CA, ID, NV, OR, WA