Cyrtomium macrophyllum
large-leaved cyrtomium
An evergreen fern to 45cm tall, with spreading, broad fronds composed of opposite pairs of ovate leaflets (pinnae); tiny dark brown sori (spore-producing clusters) are scattered across the undersides. Grow in a well-drained, shady border, rock garden, or cool greenhouse
Size
Ultimate height
0.1–0.5 metresTime to ultimate height
2–5 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | Green | |||
| Autumn | Green | |||
| Winter | Green |
Position
- Full shade
- Partial shade
Aspect
East–facing or North–facing
Exposure
Sheltered Hardiness
H3Botanical details
- Family
- Dryopteridaceae
- Native to GB / Ireland
- No
- Foliage
- Evergreen
- Habit
- Tufted
- Genus
Cyrtomium can be tufted evergreen or deciduous ferns with simply pinnate leaves composed of sickle-shaped pinnae; spore-heaps are scattered over the lower surface of the frond
- Name status
Correct
- Plant range
- E. Asia
How to grow
Cultivation
Outdoors, grow in moderately fertile, humus-rich, well-drained soil in partial to full shade. In cold regions protect the crown with straw in winter. Under glass, grow in 1 part each loam, medium grade bark and charcoal, 2 parts sharp sand, and 3 parts coarse leaf mould, in bright, indirect light. See how to grow tender ferns outdoors for further advice
Propagation
Propagate by sowing spores at 16°C in late summer
Suggested planting locations and garden types
- Rock garden
- Conservatory and greenhouse
- Flower borders and beds
Pruning
No pruning required
Pests
Generally pest-free
Diseases
Generally disease-free
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