Carried by 7 nurseries
View Availability at NurseryData provided by the participants of the Consortium of California Herbaria
View additional distribution information on the Jepson eflora
Rydberg's Penstemon (Penstemon rydbergii) is a native perennial herb that grows in Central and Northern California, primarily in the High Sierra Nevada region. It is moderately fast growing and moderately long-lived. It grows in an upright form to a height of 3 feet, with active growth during the spring. Flowers are blue and striking, and bloom in the mid summer. Leaves are medium green and deciduous. It tends to grow in moist meadows and streambanks, at elevations from 3,900-10,200 feet.
Perennial herb
1 - 3 ft Tall
3 ft Wide
Upright
Moderate
Winter Deciduous
Blue, Lavender, Purple
Summer
Containers, Deer resistant
Full Sun, Partial Shade
Moderate, High
Keep moist
Tolerates cold to -15° F
Slow
Tolerates a variety of soils.
Soil PH: 5.0 - 6.8
For propagating by seed: 2 mos. stratification (Williams 1986).
Moist meadows and streambanks of the Sierras
Lodgepole Forest, Red Fir Forest, Sagebrush Scrub, Subalpine Forest, Yellow Pine Forest, Wetland-Riparian
Use in a mountain meadow garden with native grasses and perennials such as Sitka Columbine (Aquilegia formosa), Sierra Mariposa Lily (Calochortus minimus), Roundleaf Sundew (Drosera rotundifolia), Western Blue Flag (Iris missouriensis), Alpine Lily (Lilium parvum), Bog Orchid (Platanthera sparsiflora), Buttercup (Ranunculus spp.), Triteleia spp., and Violet (Viola spp.)
Butterflies and moths supported
0 confirmed and 13 likely
Geranium Plume Moth
Amblyptilia pica
Anicia Checkerspot
Euphydryas anicia
Variable Checkerspot
Euphydryas chalcedona