Penstemon laetus subsp. roezlii
Regel's mountain penstemon, Roezl's penstemon , Mountain blue beardtongue, Penstemon roezlii
Penstemon Penstemon
P. laetus subsp. roezlii - P. laetus subsp. roezlii is an erect, hairy perennial with linear to lance-shaped, often folded, grey-green leaves and upright racemes of narrowly tubular-bell-shaped, purple-blue flowers from late spring into midsummer.
Penstemon laetus subsp. roezlii is: Deciduous
Erect
Blue, Purple in Spring; Purple, Blue in Summer
Grey-green in Spring; Grey-green in Summer; Grey-green in Autumn
Glasshouse red spider mite , Leaf and bud eelworms , Slugs , Snails Glasshouse red spider mite , Leaf and bud eelworms , Slugs , Snails
Deadhead after flowering to maintain the plant's strength. Cut back in early spring.
Division, Seed, Semi-hardwood cuttings, Softwood cuttings
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Penstemon laetus subsp. roezlii (Roezl's penstemon ) will reach a height of 0.5m and a spread of 0.35m after 2-5 years.
Beds and borders, Cottage/Informal, Gravel, Rock, Wildlife
Grows best in moderately fertile, well-drained soil in full sun. Will tolerate a wide range of conditions other than heavy, waterlogged sites.
Chalky, Loamy, Sandy
Well-drained
Acid, Alkaline, Neutral
Full Sun
South, East, West
Exposed, Sheltered
Hardy (H4)
Penstemon laetus subsp. roezlii
Regel's mountain penstemon, Roezl's penstemon , Mountain blue beardtongue, Penstemon roezlii
Penstemon Penstemon
P. laetus subsp. roezlii - P. laetus subsp. roezlii is an erect, hairy perennial with linear to lance-shaped, often folded, grey-green leaves and upright racemes of narrowly tubular-bell-shaped, purple-blue flowers from late spring into midsummer.
Deciduous
Erect
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Blue, Purple in Spring; Purple, Blue in Summer
Grey-green in Spring; Grey-green in Summer; Grey-green in Autumn
Glasshouse red spider mite , Leaf and bud eelworms , Slugs , Snails
Deadhead after flowering to maintain the plant's strength. Cut back in early spring.
Division, Seed, Semi-hardwood cuttings, Softwood cuttings
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Penstemon laetus subsp. roezlii (Roezl's penstemon ) will reach a height of 0.5m and a spread of 0.35m after 2-5 years.
Beds and borders, Cottage/Informal, Gravel, Rock, Wildlife
Grows best in moderately fertile, well-drained soil in full sun. Will tolerate a wide range of conditions other than heavy, waterlogged sites.
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
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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... |
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