Alex Wild

Rydberg's Penstemon

Penstemon rydbergii

Plant type:

Forb

Lifecycle:

Perennial

Growing season:

Cover:

Seedling rate:

2.5

Soil

Acceptable soil conditions:

Clay,

Loam,

Silt,

Sand

Soil Conditions:

Acidic

Alkaline

Location

Min elevation:

3500

Max elevation:

11000

Counties:

Carson City,

Douglas,

Elko,

Esmeralda,

Eureka,

Humboldt,

Lander,

Lyon,

Mineral,

Nye,

Storey,

Washoe

Reproduction & Growth

Growth rate:

Moderate

Germination overall:

Germination rate:

Slow

Germination requirements:

8-12 weeks cold stratification recommended, or sowing in fall.

Reproduction:

High

Establishment:

Lifespan:

Moderate

Survival:

Ecological

Best suited for these site conditions:

Cold

Disturbance

Fire

Low light

Riparian

Best suited for these management goals:

Erosion control

Forage production

Pollinator habitat

Wildlife habitat

Additional Information

Warning:

Commercial availability:

Available

Citations:

Ogle et al. 2013, USDA 2025.