equal-leaved penstemon
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P. isophyllus ia an upright woody-based perennial to 70cm in height, with narrow evergreen leaves and one-sided panicles of slender, tubular, bright reddish-pink flowers 3-4cm in length, streaked with crimson in the paler throat
Scientific classification
- Species
- equal-leaved penstemon (Penstemon isophyllus)
- Genus
- Penstemon
- Family
- Plantaginaceae
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- Toxicity
- Herbaceous Perennial
- Plant type
- 0.5-1 metres
- Height
- 0.1-0.5 metres
- Spread
- Evergreen
- Foliage
- Clump forming
- Habit
- Spring · Summer · Autumn · Winter
- Season of interest
- Full sun · Partial shade
- Sunlight
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- Ideal temperature
equal-leaved penstemon pictures
Distribution of equal-leaved penstemon
Distribution map
Mexico
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Culture
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Toxicity
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Quick identification of equal-leaved penstemon
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equal-leaved penstemon care guide
- Water deeply when top layer dries, good drainage mandatory
- Watering
- Full sun · Partial shade
- Sunlight
- Information to be completed
- Ideal temperature
Watering
Water deeply when top layer dries, good drainage mandatory
Fertilizing
FertilizingBalanced diluted fertilizer monthly from spring to mid autumn
Pruning
PruningDeadhead after flowering to maintain vigour. Then cut back to base in early spring
Propagation
PropagationPropagate by softwood cuttings in early summer or semi-hardwood cuttings in midsummer. Propagate by division in spring
Growing
GrowingGrow in fertile, well-drained soil in full sun or partial shade. In cold areas, protect plant overwinter with dry winter mulch
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Common pests and diseases
Diseases
Generally disease free
Pests
May be attacked by slugs, snails, glasshouse red spider mite, and leaf and bud eelworms
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