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Annual Biennial

Digitalis purpurea f. albiflora (Thompson & Morgan)
  • RHS AGM
  • RHS Plants for pollinators

white-flowered foxglove

An erect biennial with tall, one-sided spires of pure white, unspotted flowers in summer

Synonyms
Digitalis purpurea 'Alba' (Thompson & Morgan)
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Size
Ultimate height
1–1.5 metres
Time to ultimate height
1–2 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Loam
Sand
Moisture
Moist but well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer White Green
Autumn Green
Winter Green
Position
  • Full sun
  • Partial shade
Aspect

East–facing or South–facing or North–facing

Exposure
Exposed or Sheltered
Hardiness
H7
Botanical details
Family
Plantaginaceae
Native to GB / Ireland
No
Foliage
Semi evergreen
Habit
Columnar upright
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

Correct

How to grow

Cultivation

Grow in almost any soil, but avoid very wet or very dry situations. Prefers a humus-rich soil in partial shade but will grow in full sun. See foxglove cultivation for further advice

Propagation

Propagate by seed sown in situ in spring

Suggested planting locations and garden types
  • Coastal
  • Cottage and informal garden
  • Wildflower meadow
  • City and courtyard gardens
  • Wildlife gardens
  • Flower borders and beds
  • Wall side borders
Pruning

Cut back after flowering to avoid problems with self seeding

Pests

May be susceptible to aphids and leaf and bud eelworm

Diseases

May be subject to powdery mildews and a leaf spot

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