Plantaginaceae
Penstemon glaber var. glaber
Penstemon glaber var. glaber var. glaber
Also known as Penstemon alpinus f. riparius, Penstemon riparius, Penstemon gordonii, Penstemon glaber var. occidentalis
Flowering Plants · Native Plants · Penstemon · Beardtongue · Great Plains Native · Perennial · Pollinator · Hummingbird Plant · Prairie Wildflower · Native Plant · Tubular Flowers
Smooth beardtongue is a sturdy native perennial well-adapted to the Great Plains, tolerating cold winters and dry summers with moderate watering. Plant it in well-drained soil in a sunny to partly shaded border or meadow garden for best flowering results. It is a wonderful choice for attracting hummingbirds and pollinators to your landscape.
Growing conditions
The details behind the basics
- Daily light
- 5 hours
- Watering
- Water deeply and allow soil to dry slightly between waterings · Every 7-10 days
- Maintenance
- Moderate
- Soil
- sandy loam
- Soil pH
- 6–8
- Temperature
- -25°F to 90°F
- Cycle
- Perennial
Hardiness
USDA 4b-9b
Form & growth
Mature size and habit
- Mature height
- 18 in – 3 ft
- Spread
- 18 in
- Spacing
- 18 in apart
- Growth rate
- Moderate
- Root depth
- Medium
- Flowers
- Purple
- Foliage
- Green · Coarse
Ecology & origin
Where it belongs and what it brings
- Native to
- Montana, Nebraska, North Dakota, South Dakota, Wyoming
- Attracts
- Bees, Hummingbirds, Butterflies
Sources: trefle, usda
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