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Davallia mariesii AGM

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© RHS

Characteristics

Plant type

Fern

Habit

Mat forming

Resilience

Hardiness

H2 (tender - cool or frost-free greenhouse)

Colour

Foliage

Green in Autumn, Spring and Summer

Size

Ultimate height

0.1-0.5 metres

Ultimate spread

0.5-1 metres

Time to ultimate height

5-10 years


Preferred common name

squirrel's foot fern

Family

Davalliaceae


Davallia can be evergreen or deciduous ferns with finely divided ovate or triangular fronds arising singly from a creeping, conspicuously scaly rhizome

D. mariesii is a deciduous fern with creeping rhizomes covered with brown scales; fronds to 25cm, triangular-ovate, finely dissected

Other common names

  • ball fern
  • Japan hare's foot fern

How to grow

Sunlight

  • Part shade

Aspect

  • North-facing, West-facing or East-facing
  • Sheltered

Cultivation

Grow in moist, open leafy soil in partial shade; hardy to -7°C (19°F) if protected in winter. Under glass grow in equal parts coarse leaf mould or peat substitute and moss, bark, sharp sand, charcoal and pine needles

Soil

  • Moist but well-drained
  • Neutral or Acid
  • Loam

Propagation

Divide rhizomes in spring, ensuring each division has roots

Suggested planting locations and garden types

City/Courtyard Gardens, Cottage/Informal Garden, Flower borders and beds, Ground Cover, Patio/Container Plants, Rock Garden or Underplanting of Roses and Shrubs


How to care

Pruning

No pruning required but tidy any winter damaged fronds in early spring

Pests

Generally trouble free

Diseases

Generally trouble free