• 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

Pteris cretica var. albolineata

white-striped Cretan brake

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
white-striped Cretan brake

© RHS

  • Other common names white-striped Cretan brake

  • Synonyms Pteris albolineata

  • Family Pteridaceae

  • Genus Pteris can be evergreen, semi-evergreen or deciduous ferns, with short or long rhizomes and fronds that may be pinnate to 4-pinnate

  • Details P. cretica var. albolineata is an evergreen fern with erect or arching fronds to 45cm in length, pinnately divided into 3-5 pairs of linear pinnae, each with a broad central creamy-white stripe

  • Plant range Far East

Characteristics

  • Foliage Evergreen

  • Habit Clump-forming

  • 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)

    H1C

Colour

Sunlight

  • Partial Shade

  • Full Shade

  • Aspect South-facing or East-facing

  • Exposure Sheltered

Soil

  • Chalk

    Sand

  • Chalk

    Chalk

  • Chalk

    Loam

  • MoistureMoist but well-drained

  • SoilSand, Chalk, Loam

  • pHAlkaline, Neutral

Size

  • Ultimate height 0.1-0.5 metres

  • Ultimate spread 0.1-0.5 metres

  • Time to ultimate height 2-5 years

How to grow

Cultivation Grow outdoors in any chalk-free, moist but well-drained soil with plenty of added leaf-mould or in a container under glass with added limestone chips in high humidity

Propagation Propagate by sowing spores as soon as ripe or division of rhizomes in spring

Suggested planting locations and garden types Low Maintenance Patio & Container Plants

How to care

Pruning Dead or damaged fronds may be removed as necessary

Pests Generally pest free outdoors but under glass may be susceptible to scale insects and eelworms

Diseases Sooty mould may be a problem

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