Penstemon strictus
Rocky Mountain penstemon, Rocky Mountain beardtongue
Penstemon Penstemon
P. strictus - P. strictus is an upright, bushy, evergreen perennial with lance-shaped, stem-clasping, semi-glossy, dark green leaves and panicles of tubular, violet to blue flowers from late spring into summer.
Penstemon strictus is: Semi evergreen
Clump-forming, Bushy, Upright
Blue, Violet in Spring; Blue, Violet in Summer
Flushed purple in Winter; Dark-green in All seasons
Eelworms (leaf and bud) , Slugs , Snails Eelworms (leaf and bud) , Slugs , Snails
Downy mildew Downy mildew
Deadhead after flowers to maintain vigour. Cut back to base in late autumn or early winter.
Division, Semi-hardwood cuttings, Softwood cuttings
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Penstemon strictus (Rocky Mountain penstemon) will reach a height of 0.8m and a spread of 0.9m after 2-5 years.
Wallside and trellises, Rock, Low Maintenance, Gravel, Drought Tolerant, Cottage/Informal, City, Beds and borders, Wildlife
Plant in well-drained soil in full sun. Protect with a thick, dry mulch in winter in colder areas. Drought tolerant once established.
Chalky, Loamy, Sandy
Well-drained
Acid, Alkaline, Neutral
Full Sun
South, East, West
Exposed, Sheltered
Hardy (H4)
We do not currently have companion plants added for this plant.
Penstemon strictus
Rocky Mountain penstemon, Rocky Mountain beardtongue
Penstemon Penstemon
P. strictus - P. strictus is an upright, bushy, evergreen perennial with lance-shaped, stem-clasping, semi-glossy, dark green leaves and panicles of tubular, violet to blue flowers from late spring into summer.
Southwestern United States
Semi evergreen
Clump-forming, Bushy, Upright
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Blue, Violet in Spring; Blue, Violet in Summer
Flushed purple in Winter; Dark-green in All seasons
Eelworms (leaf and bud) , Slugs , Snails
Deadhead after flowers to maintain vigour. Cut back to base in late autumn or early winter.
Division, Semi-hardwood cuttings, Softwood cuttings
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Penstemon strictus (Rocky Mountain penstemon) will reach a height of 0.8m and a spread of 0.9m after 2-5 years.
Wallside and trellises, Rock, Low Maintenance, Gravel, Drought Tolerant, Cottage/Informal, City, Beds and borders, Wildlife
Plant in well-drained soil in full sun. Protect with a thick, dry mulch in winter in colder areas. Drought tolerant once established.
Chalky, Loamy, Sandy
Well-drained
Acid, Alkaline, Neutral
Full Sun
South, East, West
Exposed, Sheltered
Hardy (H4)
Zone 9, Zone 8, Zone 7, Zone 6, Zone 5, Zone 4
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This plant likes... | Garden match | |
Soil types: | Chalky, Loamy, Sandy | Tell us... |
Soil drainage: | Well-drained | Tell us... |
Soil pH: | Acid, Alkaline, Neutral | Tell us... |
Light: | Full Sun | Tell us... |
Aspect: | South, East, West | Tell us... |
Exposure: | Exposed, Sheltered | Tell us... |
Hardiness: | Hardy (H4) | Tell us... |
By Devon garden designer Tom Simpson. The garden, designed by Tom, aged 28 from Kingswear near Dartmouth, showcases many of the attributes of a sustainable rain garden, treating water as a precious… read more
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