Osmunda regalis 'Cristata'
royal fern 'Cristata'
'Cristata' is a robust deciduous fern, slowly forming a massive clump, with fronds bipinnately divided, the fronds, pinnae and pinnules forked or crested at the tips; fertile fronds are tipped with rusty-brown spore-bearing segments in summer
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Size
Ultimate height
1–1.5 metresTime to ultimate height
5–10 yearsUltimate spread
1–1.5 metresGrowing conditions
Moisture
Moist but well–drained, Poorly–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | Green | |||
| Autumn | Brown Red | |||
| Winter |
Position
- Full shade
- Full sun
- Partial shade
Aspect
South–facing or North–facing or East–facing or West–facing
Exposure
Exposed or Sheltered Hardiness
H6Botanical details
- Family
- Osmundaceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- Habit
- Bushy
- Genus
Osmunda are medium-sized to large deciduous ferns, usually from wet places, with erect or arching, pinnate or bipinnate fronds, bearing spores either on modified pinnae or on separate, smaller fronds
- Name status
Accepted
How to grow
Cultivation
Easy to grow in most cool, moist, lightly shaded sites and will grow in full sun if given plenty of moisture. Will tolerate alkaline soils if plenty of fibrous compost is incorporated. Useful for very wet sites
Propagation
Propagate by division in early spring or autumn
Suggested planting locations and garden types
- City and courtyard gardens
- Cottage and informal garden
- Flower borders and beds
Pruning
Dead or damaged fronds may be removed as necessary
Pests
Generally pest-free outdoors
Diseases
Generally disease-free outdoors
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