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Plant Profiles / Maidenhair fern
Photos: Wikimedia Commons
Maidenhair fern
Adiantum raddianum · Delta maidenhair
Delicate fronds of tiny fan-shaped leaflets on black stems. Beautiful but thirsty.
Bright indirectLight
Keep moistWater
ChallengingCare level
Care at a glance
Light
Bright indirect
ShadeFull sun
No sun.
Water
Keep moist
DryWet
Never dry.
Humidity
High
LowHigh
Needs humidity.
Temperature
15–27°C (59–80°F)
CoolWarm
Avoid drafts.
Growth
Moderate
SlowFast
30–45 cm.
Soil
Moist mix
LeanRich
Potting mix.
Fertiliser
Monthly
RarelyOften
Diluted.
Pet safety
Non-toxic
SafeToxic
Safe.
About this plant
Native to tropical Americas. Never let it dry out; loves humidity.
Best spots
Bathrooms, terrariums and shaded verandas.
Plant facts
| Botanical name | Adiantum raddianum |
| Family | Pteridaceae |
| Origin | Tropical Americas |
| Plant type | Fern |
| Mature size | 30–45 cm |
| Growth rate | Moderate |
| Foliage | Fine fronds |
| Toxicity | Non-toxic |
| Propagation | Division |
Seasonal care calendar
J
F
M
A
M
J
J
A
S
O
N
D
Active growth
Cut back
Active growthCut back
Based on Southern Hemisphere seasons.
Troubleshooting
| Crispy | Dry. |
| Brown | Air. |
| Yellow | Wet. |
| Collapse | Dried out; cut back and wait. |
| Pale | Sun. |
Common questions
Hard?
Fussy.
Revive?
Cut back.
Pets?
Safe.
Bathroom?
Ideal.
