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Penstemon 'Andenken an Friedrich Hahn' AGM

Home | Plants > Plant Selector > Penstemon 'Andenken an Friedrich Hahn' AGM

Characteristics

Plant type

Herbaceous Perennial

Habit

Clump-forming

Resilience

Hardiness

H5 (hardy - cold winter)

Colour

Flower

White and Dark Red in Summer

Foliage

Dark Green in Autumn, Spring, Summer and Winter

Size

Ultimate height

0.5-1 metres

Ultimate spread

0.1-0.5 metres

Time to ultimate height

2-5 years

Preferred common name

penstemon 'Andenken en Friedrich Hahn'

Family

Plantaginaceae

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

'Andenken an Friedrich Hahn' is a bushy semi-evergreen perennial to 90cm in height, with narrow, dark foliage and erect racemes of tubular bell-shaped, deep wine-red flowers 3cm in length, marked white in the throat

Synonym(s)

Penstemon campanulatus 'Garnet'
Penstemon 'Garnet'
Penstemon 'Garnet Red'

Suppliers

Suppliers listed in RHS Plant Finder

Awards

Award of Garden Merit

How to grow

Sunlight

Full sun
Part shade

Aspect

South-facing, East-facing or West-facing

Exposed or Sheltered

Cultivation

Grow in fertile, well-drained soil in full sun or partial shade

Soil

Well-drained

Acid, Alkaline or Neutral

Sand, Loam or Chalk

Propagation

Propagate by softwood cuttings in early summer or semi-hardwood cuttings in midsummer. Propagate by division in spring

Suggested planting locations and garden types

Cottage/Informal Garden or Flower borders and beds

How to care

Pruning

Deadhead after flowering to maintain vigour. Then cut back to base in early spring

Pests

May be attacked by slugs, snails, glasshouse red spider mite, and leaf and bud eelworms

Diseases

Generally disease free

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