Penstemon smallii

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An upright, bushy, clump-forming, semi-evergreen perennial to 60cm with large, elongated, glossy, heart-shaped, mid- to dark green leaves turning bronzy-red in winter. Dark, upright stems produce sprays of light purple, bell-shaped flowers with pointed lobes marked with white and dark purple

Penstemon smallii

Scientific classification

Species
Penstemon smallii (Penstemon smallii)
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 smallii pictures

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Distribution of Penstemon smallii

Distribution map

Southeastern USA

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Culture

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Toxicity

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Quick identification of Penstemon smallii

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Penstemon smallii 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

Balanced perennial feed every four weeks from spring through summer

Pruning

Regular deadheading can encourage a longer flowering season. In autumn, cut back to by about a third to tidy and reduce windrock, but leave enough to protect the crown over winter. In mid- to late spring cut back to lowest new shoots

Propagation

Propagate by softwood cuttings in early summer or semi-ripe cuttings in midsummer

Growing

Grow in fertile, well-drained soil in full sun or partial shade. In cold areas, protect plant over winter with a dry mulch. See penstemon cultivation

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Common pests and diseases

Diseases

May be susceptible to Powdery mildews

Pests

May be susceptible to aphids and chrysanthemum eelworm

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