Penstemon 'Pensham Laura' (Pensham Series)

RHS Plant Profile

penstemon 'Pensham Laura'

Synonyms

Penstemon 'Laura'

Herbaceous Perennial

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'Pensham Laura' has attractive two-tone white and pink flowers. Upright growth, reaching about 70cm

Position

Full sun, Partial shade

Soil Types

Chalk, Loam, Sand

Max Height

0.5-1 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity: 2–5 years
Max Spread: 0.1-0.5 metres
Max Height: 0.5-1 metres

Growing Conditions

Chalk Loam Sand

Moisture: Well–drained
pH: Acid or Alkaline or Neutral

Position

Full sun Partial shade

Aspect: East–facing or South–facing or West–facing
Exposure: Exposed or Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

H1A: under glass all year (>15C)
H1B: can be grown outside in the summer (10 - 15)
H1C: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20): H4

Colour & Scent

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

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 overwinter with dry winter mulch see Penstemon cultivation for more details

Propagation

Propagate by softwood cuttings in early summer and semi-ripe cuttings in midsummer.

Suggested planting locations and garden types

Cottage and informal garden
City and courtyard gardens
Coastal
Gravel garden
Patio and container plants
Wildlife gardens
Flower borders and beds
Wall side borders

Pruning

Deadhead after flowering to maintain vigour. Then cut back in spring - see penstemon cultivation

Pests

May be susceptible to slugs, snails, glasshouse red spider mite, and leaf and bud eelworms

Diseases

Generally disease-free, but may be susceptible to powdery mildews