trefle.io · Taken Apr 15, 2018 by Anton Luru (cc-by-sa)
Plantaginaceae
Alberta beardtongue
Penstemon albertinus
Also known as Alberta penstemon, Rocky Mountain penstemon, Penstemon, Penstemon caelestinus
Flowering Plants · Native Plants · Penstemon · Alberta Beardtongue · Native Perennial · Pollinator · Hummingbird Plant · Rock Garden · Tubular Flowers · Prairie Plant · Mountain Wildflower
Alberta beardtongue is a hardy native perennial that produces vivid tubular blue-purple flowers beloved by hummingbirds and bees. Plant it in well-drained soil in a partially sunny to sunny location and water sparingly once established. It is a low-maintenance addition to rock gardens, native plantings, or pollinator borders in northern climates.
Growing conditions
The details behind the basics
- Daily light
- 5 hours
- Watering
- Water moderately, allowing the top inch of soil to dry between waterings · Every 10-14 days
- Maintenance
- Low
- Soil
- loam
- Soil pH
- 4.5–7
- Temperature
- -25°F to 95°F
- Cycle
- Perennial
- Propagation
- Seed, Division, Cutting
Hardiness
USDA 4b-9b
Form & growth
Mature size and habit
- Mature height
- 12 in – 4 ft
- Spread
- 4 ft
- Spacing
- 18 in apart
- Growth rate
- Fast
- Root depth
- Medium
- Flowers
- Blue
- Foliage
- Green · Fine
Ecology & origin
Where it belongs and what it brings
- Native to
- Alberta, British Columbia, Idaho, Montana
- Attracts
- Bees, Hummingbirds, Butterflies
Sources: trefle, usda
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