Digitalis × mertonensis 'Summer King'

RHS Plant Profile
strawberry foxglove 'Summer King'
strawberry foxglove 'Summer King' RHS

Synonyms

Digitalis purpurea 'Summer King'

Plants for pollinators
Herbaceous Perennial

A robust clump-forming, perennial or biennial to 90cm high, with lance-shaped glossy, dark green leaves, slightly hairy beneath and bearing racemes of large, velvety, tubular strawberry-pink flowers, spotted inside with crimson-purple

Position

Full sun, Partial shade

Soil Types

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

Loam Sand
Moisture
Moist but well–drained
pH
Acid or Neutral

Position

Full sun Partial shade
Aspect
North–facing or West–facing or East–facing or South–facing
Exposure
Exposed or Sheltered
Hardiness
H5

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
Potentially harmful
TOXIC if eaten. Wear gloves and other protective equipment when handling TOXIC to pets - see the HTA guide to potentially harmful plants for further information and useful contact numbers
Genus
Digitalis can be biennials or usually short-lived perennials forming a rosette of simple leaves with bell-shaped flowers in slender, erect, usually one-sided racemes
Name Status
Accepted

How to Grow

Cultivation

Grow in moist but well-drained humus-rich soil in light dappled shade, for example in a mixed bed or an open woodland garden, or in full sun, and add organic mulch. See foxglove cultivation for further advice

Propagation

Propagate by seed, or by division, removing offsets, in spring; it will also self-seed but may not come true unless plants have been grown in isolation

Suggested planting locations and garden types

  • City and courtyard gardens
  • Cottage and informal garden
  • Wildlife gardens
  • Cut flowers
  • Flower borders and beds

Pruning

No pruning required, but deadheading may encourage growth in following years

Pests

May be susceptible to aphids and leaf and bud eelworm

Diseases

May be susceptible to powdery mildews, downy mildews and leaf spot