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Asplenium scolopendrium (Crispum Group) 'Crispum Bolton's Nobile'

hart's tongue fern 'Crispum Bolton's Nobile'

'Crispum Bolton's Nobile' is an evergreen fern forming a handsome rosette of broad, rich green, strap-like fronds to 30 by 10cm, with strongly undulate margins; sterile

Synonyms
Asplenium scolopendrium 'Crispum Nobile'
Asplenium scolopendrium 'Bolton's Nobile'
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Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Loam
Chalk
Sand
Clay
Moisture
Moist but well–drained
pH
Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Green
Autumn Green
Winter Green
Position
  • Full shade
  • Partial shade
Aspect

South–facing or North–facing or West–facing or East–facing

Exposure
Exposed or Sheltered
Hardiness
H6
Botanical details
Family
Aspleniaceae
Native to the UK
No
Foliage
Evergreen
Habit
Bushy
Genus

Asplenium are evergreen ferns with short, usually erect rhizomes bearing a rosette of slightly leathery fronds which may be simple, pinnate to 3-pinnate

Name status

Accepted

How to grow

Cultivation

Grows well in humus-rich, moist but well-drained soil. Bright mid-day sun can cause damage. May be sensitive to fungicides.Tolerant of dry shade but water regularly during the first season and mulch well

Propagation

Propagate by division in spring. Peeled leaf bases can be taken off from where the stem joins with the root. Old leaf bases that are green at the base are incubated in a plastic bag of loam based media. Green swellings can be found and potted to raise new plants

Suggested planting locations and garden types
  • City and courtyard gardens
  • Cottage and informal garden
  • Patio and container plants
  • Banks and slopes
  • Flower borders and beds
  • Ground cover
Pruning

Dead or damaged fronds may be removed as necessary

Pests

Generally pest-free outdoors

Diseases

May be infected by a rust in mild, damp winters

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