Penstemon alpinus
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Penstemon alpinus is a semi-evergreen perennial or sub-shrub up to 80cm tall with lance-shaped leaves. In early summer, blue to bluish-purple flowers, 2-3cm long, are borne on one side of stems
Scientific classification
- Species
- Penstemon alpinus (Penstemon alpinus)
- Genus
- Penstemon
- Family
- Plantaginaceae
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- Toxicity
- Herbaceous Perennial
- Plant type
- 0.5-1 metres
- Height
- 0.1-0.5 metres
- Spread
- Semi evergreen
- Foliage
- Bushy
- Habit
- Spring · Summer · Autumn · Winter
- Season of interest
- Full sun
- Sunlight
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- Ideal temperature
Penstemon alpinus pictures
Distribution of Penstemon alpinus
Distribution map
Western Northern America
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Culture
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Toxicity
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Quick identification of Penstemon alpinus
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Penstemon alpinus care guide
- Moderate regular watering, allowing brief slight drying between soakings
- Watering
- Full sun
- Sunlight
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- Ideal temperature
Watering
Moderate regular watering, allowing brief slight drying between soakings
Fertilizing
FertilizingBalanced perennial feed every four weeks from spring through summer
Pruning
PruningDeadhead after flowering
Propagation
PropagationPropagate by seed or from softwood or semi-ripe cuttings
Growing
GrowingGrow in a gritty, sharply-drained soil in full sun
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Common pests and diseases
Diseases
Grey mould, powdery mildews and fungal leaf spot
Pests
Slugs, snails, aphids and leaf and bud eelworms
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