Plants of the Southwest
Penstemon strictus
Rocky Mountain Penstemon
Rocky Mountain Penstemon is a 2+ ft. perennial with multiple spires of large, dark to brilliant blue-purple flowers. Blooms early summer. Very hardy. One of the easiest penstemons to grow! Sow in fall or cold stratify. Zones 3-8.
Legend of Symbols
Full Sun |
Part Shade |
Fragrant |
Very Low Water  |
Low Water  |
Medium Water  |
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