penstemon 'Geoff Hamilton'
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A semi-evergreen perennial to around 80cm tall with narrow green leaves. Spikes of funnel-shaped, cherry-red to purpleflowers with whiteand red throats are borne from summer into autumn
Scientific classification
- Species
- penstemon 'Geoff Hamilton' (Penstemon 'Geoff Hamilton')
- Genus
- Penstemon
- Family
- Plantaginaceae
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- Toxicity
- Herbaceous Perennial
- Plant type
- 0.5-1 metres
- Height
- 0.5-1 metres
- Spread
- Semi evergreen
- Foliage
- Bushy
- Habit
- Spring · Summer · Autumn · Winter
- Season of interest
- Full sun · Partial shade
- Sunlight
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- Ideal temperature
penstemon 'Geoff Hamilton' pictures
Distribution of penstemon 'Geoff Hamilton'
Distribution map
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Culture
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Toxicity
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Quick identification of penstemon 'Geoff Hamilton'
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penstemon 'Geoff Hamilton' 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 and early spring
Propagation
PropagationPropagate by softwood cuttings in early summer or semi-hardwood cuttings in midsummer
Growing
GrowingGrow in fertile, well-drained soil in full sun or partial shade. In cold areas, protect plant overwinter with a dry winter mulch. See Penstemon cultivation for further information
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Common pests and diseases
Diseases
May be subject to a downy mildew, grey moulds, powdery mildews and a fungal leaf spot
Pests
May be attacked by slugs, snails, aphids and leaf and bud eelworms
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