Penstemon incertus - Western desert penstemon

Western desert penstemon (Penstemon incertus) is a sky-blue flowered evergreen perennial of granite and sandy soils in California’s Mojave Desert region, drought and heat tolerant, massing at the top of Walker Pass.¹ It grows 0.5-1 m tall and wide.¹

Inputs

• Hardiness zone 7¹
• Hardiness zone 8¹
• Hardiness zone 9¹
• Hardiness zone 10¹
• Well drained soil¹

Type

• Perennial
• Evergreen

Functions

• Flammable²
• Drought-tolerance¹
• Wildlife habitat¹
• Attracting beneficial insects¹

Dimension	At maturity
Height (m)	0.5-1
Diameter (m)	0.5-1

Footnotes

1. Penstemon incertus, Western Desert Penstemon | Las Pilitas Nursery Native Plant Database ↩ ↩² ↩³ ↩⁴ ↩⁵ ↩⁶ ↩⁷ ↩⁸ ↩⁹ ↩¹⁰

2. Leaf burn times of California native plants, Las Pilitas Nursery, 2005 propane-torch ignition trial, live-leaf ignition time 10 seconds ↩