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
Size
Ultimate height
0.1–0.5 metresTime to ultimate height
2–5 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Moist but well–drainedpH
Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| 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
H6Botanical 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
Get involved
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