Cache Penstemon (Penstemon compactus) is a rare, low-growing perennial endemic to the Mount Naomi Wilderness area of Cache County. It features leathery, lance-shaped leaves and blooms from June to August with dense, compact clusters of vivid electric blue-purple tubular flowers that pop in any landscape! Drought-tolerant once established, it thrives in full sun conditions. Staying compact at just 3 to 8 inches tall, this penstemon forms tidy, evergreen tufts perfect for dry garden beds and borders, rock gardens, alpine plantings, pollinator beds, and erosion control on dry slopes. Get this rare and incredibly beautiful penstemon excusively at Cache Valley Native Plants!
Cache Penstemon
Irrigation Requirement: Low (1/2" every 10-14 days)
Mature Size: 4 - 8" tall
Spacing: 9 - 12"
Bloom Colors: Blue or Purple
Bloom Season: June - August
Hardiness Zone: Unknown. Cache Penstemon is native to high elevations and is very cold tolerant.
Light Requirement: Full Sun to Light Shade
Deer Resistant: Unknown
Salt Tolerant: Unknown
Soils: Prefers sandy or loam soils that are well-drained
Plants in the Penstemon genus are known host species for 19 pollinators in northern Utah. Penstemon are also a valuable source of pollen and nectar for native pollinators, including hummingbirds.