• AGM plants

    AGM plants have been through a rigorous trial and assessment programme. They are:

    • Excellent for ordinary use in appropriate conditions
    • Available to buy
    • Of good constitution
    • Essentially stable in form & colour
    • Reasonably resistant to pests & diseases

Digitalis purpurea f. albiflora

white-flowered foxglove

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  • Other common names white-flowered foxglove

  • Synonyms Digitalis purpurea subsp. heywoodii 'Alba'
    Digitalis purpurea 'Alba'

    Digitalis purpurea

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  • Family Plantaginaceae

  • 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

  • Details D. purpurea f. albiflora is a biennial or short-lived perennial, with softly hairy leaves and tall, one-sided spires of pendant, tubular, creamy-white flowers 6cm long

  • Plant range Europe

Characteristics

  • Foliage Deciduous

  • Habit Bushy

  • Toxicity Highly toxic by ingestion. Wear gloves and wash hands after handling

  • 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)

    H7

Colour

Sunlight

  • Full Sun

  • Partial Shade

  • Aspect South-facing or East-facing or West-facing

  • Exposure Exposed or Sheltered

Soil

  • Chalk

    Chalk

  • Clay

    Clay

  • Loam

    Loam

  • Sand

    Sand

  • MoistureMoist but well-drained, Well-drained

  • SoilChalk, Clay, Loam, Sand

  • pHAcid, Alkaline, Neutral

Size

  • Ultimate height 1.5-2.5 metres

  • Ultimate spread 0.1-0.5 metres

  • Time to ultimate height 1-2 years

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. Deadhead after flowering to avoid problems with excess numbers of seedlings.

Propagation Propagate by seed sown in-situ in late spring. Alternatively sow in seed trays in late spring and plant out to final position in late summer

Suggested planting locations and garden types Flower borders and beds Underplanting of Roses and Shrubs Coastal Cottage & Informal Garden City & Courtyard Gardens Wildflower meadow

How to care

Pruning Cut back after flowering

Pests Can get aphids and leaf and bud eelworm

Diseases May be affected by leaf spots and powdery mildews

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