trefle.io · Taken May 30, 2021 by jenifer Bow-Wilson (cc-by-sa)
Plantaginaceae
Small-flower penstemon
Penstemon procerus
Also known as Penstemon procerus, Small-flowered beardtongue, Penstemon procerus subsp. typicus, Penstemon confertus var. procerus
Flowering Plants · Native Plants · Penstemon · Native Perennial · Rock Garden · Alpine · Pollinator · Hummingbird Plant · Western Native · Drought Tolerant · Blue Flowers · Low Maintenance
Small-flower penstemon is a tough, low-growing native perennial that performs beautifully in rock gardens, alpine settings, and well-drained borders across western North America. It produces dense spikes of small violet-blue to purple tubular flowers in late spring and early summer, making it a magnet for bees and hummingbirds. Plant in full sun to part shade with excellent drainage and minimal fertilizer for best results.
Growing conditions
The details behind the basics
- Daily light
- 6 hours
- Watering
- Water moderately; allow the top inch of soil to dry between waterings · Every 10-14 days; less once fully established
- Maintenance
- Low
- Soil
- loam
- Soil pH
- 6–7.5
- Temperature
- -25°F to 95°F
- Cycle
- Perennial
- Propagation
- Seed
Hardiness
USDA 4b-9b
Form & growth
Mature size and habit
- Mature height
- 20 ft – 40 ft
- Spread
- 20 ft
- Spacing
- 12 in apart
- Growth rate
- Fast
- Root depth
- Medium
- Flowers
- Purple
- Foliage
- Green · Fine
Ecology & origin
Where it belongs and what it brings
- Native to
- Alaska, Alberta, British Columbia, California, Colorado, Idaho, Manitoba, Montana, Nevada, North Dakota, Oregon, Saskatchewan, Utah, Washington, Wyoming, Yukon
- Attracts
- Bees, Butterflies, Hummingbirds
Sources: trefle, usda
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