Penstemon rydbergii
Plants of the Southwest

Penstemon rydbergii

Rydberg's Penstemon

Rydberg's Penstemon is a small mountain penstemon, to 1 ft. tall, excellent for rock gardens. Displays 1-10 flowering stalks with 2-3 tight, spherical clusters of dark blue tubular flowers above each other on the stem. Requires good soil and extra water, grows in sun or light shade. Sow seed in fall or cold stratify. Zones 2-8.

    Zones, Sun & Water Needs: 2345678


Legend of Symbols

Full Sun
Full Sun
Part Shade
Part Shade
Fragrant
Very Low Water 
Very Low Water
Low Water 
Low Water
Medium Water 
Medium Water