Polypodium cambricum (Cristatum Group) 'Grandiceps Fox'![RHS AGM](/assets/styles/images/icons/RHS-AGM--Small-Vert__web.svg)
Welsh polypody 'Grandiceps Fox'
A creeping deciduous fern with narrow, pinnate fronds to 40cm long, persisting into winter, with large branching crests at the frond apex and the tips of the pinnae
![](https://apps.rhs.org.uk/plantselectorimages/detail/WSY0050649_5145.jpg)
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Size
Ultimate height
0.1–0.5 metresTime to ultimate height
5–10 yearsUltimate spread
0.5–1 metresGrowing conditions
Moisture
Moist but well–drainedpH
Alkaline, NeutralColour & scent
Stem | Flower | Foliage | Fruit | |
Spring | Green | |||
---|---|---|---|---|
Summer | Green | |||
Autumn | Green | |||
Winter | Green |
Position
- Full sun
- Partial shade
Aspect
South–facing or East–facing or West–facing
Exposure
Sheltered Hardiness
H7Botanical details
- Family
- Polypodiaceae
- Native to the UK
- No
- Foliage
- Semi evergreen
- Habit
- Matforming
- Genus
Polypodium can be evergreen or deciduous ferns, with creeping rhizomes bearing simple or pinnate fronds at intervals
- Name status
Accepted
How to grow
Cultivation
Grow in moderately fertile, humus-rich, gritty or stoney, well-drained soil in sun or dappled shade. A fern for a neutral to alkaline soil, in a sheltered position
Propagation
Propagate by spores at 15-16°C (59-61°F) when ripe. Divide in spring or early summer
Suggested planting locations and garden types
- City and courtyard gardens
- Rock garden
- Cottage and informal garden
- Banks and slopes
- Flower borders and beds
- Ground cover
- Underplanting of roses and shrubs
Pruning
Remove fronds as they become untidy
Pests
Generally pest-free
Diseases
Generally disease-free
Get involved
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