Penstemon Cyananthus (Wasatch Penstemon) - A mountain gem with sapphire spires.

Native to the Wasatch Range, this penstemon produces tall spikes of vivid blue-purple flowers that attract bees, butterflies, and hummingbirds. Tough and drought-tolerant, it thrives in rocky soils and dry slopes.

Plant Details:

• Water Needs: Low; drought-tolerant once established

• Sun Needs: Full sun

• Soil Requirements: Well-drained, sandy or rocky soils

• Growing Zone: USDA Zones 4–8

• Cold Hardiness: Down to ~–30°F (–34°C)

• Mature Size: 2–3 ft tall x 1–2 ft wide

• Native Origin: Wasatch Mountains, Utah

• Best Substitutes For: Rocky Mountain Penstemon, Blue Flax

• Landscape Uses: Rock gardens, native plantings, pollinator borders