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Herbaceous Perennial

Penstemon barbatus 'Pinacolada Dark Rose' (Pinacolada Series)
  • RHS Plants for pollinators

bearded penstemon 'Pinacolada Dark Rose'

A compact perennial to 30cm, flowering in summer and autumn in its first year from seed. Semi-evergreen basal rosettes produce branched flowering stems with dark green, lance-shaped leaves and spikes of tubular, two-lipped, upward-facing flowers in shades of pink

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Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
1–2 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Loam
Chalk
Sand
Moisture
Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Pink Green
Autumn Pink Green
Winter Green
Position
  • Full sun
  • Partial shade
Aspect

South–facing or West–facing or East–facing

Exposure
Exposed or Sheltered
Drought resistance
Yes
Hardiness
H5
Botanical details
Family
Plantaginaceae
Native to GB / Ireland
No
Foliage
Semi evergreen
Habit
Clump forming
Genus

Penstemon may be deciduous or evergreen perennials or subshrubs, with simple, narrow leaves and racemes or panicles of bell-shaped or funnel-shaped flowers in summer and early autumn

Name status

Unresolved

How to grow

Cultivation

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

Propagation

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

Suggested planting locations and garden types
  • City and courtyard gardens
  • Cottage and informal garden
  • Patio and container plants
  • Rock garden
  • Wildlife gardens
  • Flower borders and beds
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

Pests

May be susceptible to aphids, slugs, snails and chrysanthemum eelworm

Diseases

May be susceptible to Powdery mildews

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