Size
Ultimate height
0.5–1 metresTime to ultimate height
2–5 yearsUltimate spread
0.5–1 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Yellow Green | |||
|---|---|---|---|---|
| Summer | Green | |||
| Autumn | Green | |||
| Winter | Green |
Position
- Partial shade
Aspect
East–facing or West–facing
Exposure
Sheltered Hardiness
H1CBotanical details
- Family
- Pteridaceae
- Native to GB / Ireland
- No
- Foliage
- Evergreen
- Habit
- Clump forming
- Genus
Adiantum can be deciduous or evergreen ferns with shiny black stalks bearing simple or more usually pinnately divided fronds, the segments fan-shaped, oblong or rounded, carrying spores under reflexed marginal flaps
- Name status
Accepted
How to grow
Cultivation
Grow as a house or conservatory plant indoors in a peat-free houseplant compost. Position the container in bright, indirect light with good ventilation. Water freely and apply a half strength, general liquid feed monthly from mid spring to late summer. Provide high humidity by placing the container on a tray of moist gravel or pebbles. Water sparingly in winter. See how to grow ferns as houseplants for further information
Propagation
Propagate by sowing spores as soon as ripe at a minimum of 21°C, or propagate by division of the rhizomes in early spring
Suggested planting locations and garden types
- Houseplants
- Sub-tropical
- Conservatory and greenhouse
Pruning
Remove old damaged fronds in spring
Pests
May be susceptible to scale insects
Diseases
Generally disease-free
Get involved
The RHS is the UK’s gardening charity, helping people and plants to grow - nurturing a healthier, happier world, one person and one plant at a time.