Penstemon digitalis
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Vigorous semi-evergreen perennial to 1m tall, with basal mid-green leaves to 15cm long and purple flushed stems. Panicles or tiers of tubular pale lavender or white flowers each 2.5cm long are produced during summer
Scientific classification
- Species
- Penstemon digitalis (Penstemon digitalis)
- 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
- Clump forming
- Habit
- Spring · Summer · Autumn · Winter
- Season of interest
- Full sun · Partial shade
- Sunlight
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- Ideal temperature
Penstemon digitalis pictures
Distribution of Penstemon digitalis
Distribution map
United States
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Culture
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Toxicity
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Quick identification of Penstemon digitalis
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Penstemon digitalis care guide
- Moderate regular watering, allowing brief slight drying between soakings
- Watering
- Full sun · Partial shade
- Sunlight
- Information to be completed
- 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 to maintain vigour and prolong flowering, then cut back to 15cm in late winter or early spring
Propagation
PropagationPropagate by seed in late winter or spring, softwood cuttings in early summer or semi-ripe cuttings in midsummer
Growing
GrowingGrow in fertile, well-drained soil in full sun or partial shade. In cold areas, protect plant overwinter with dry winter mulch. See penstemon cultivation
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Common pests and diseases
Diseases
May be susceptible to a downy mildew, grey moulds, Powdery mildews and a fungal leaf spot
Pests
May be susceptible to slugs, snails, aphids and leaf and bud eelworms
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