About
Adiantum raddianum 'Fritz Lüthi' is an evergreen fern that typically reaches a height of around 60 cm. It features light green fronds with black stems, which are shaped triangularly to rounded and have deeply lobed segments. The fronds are arranged horizontally or may arch downwards.
About the genus
Adiantum consists of ferns that may be either deciduous or evergreen, characterized by lustrous black stems. These ferns typically feature fronds that are either simple or, more commonly, divided pinnately. The individual segments can be fan-shaped, oblong, or rounded, and they produce spores beneath reflexed marginal flaps.
Growing conditions
- Sunlight
- Partial shade
- Soil type
- Loam, Chalk, Sand, Clay
- Soil pH
- Neutral, Alkaline, Acid
- Soil moisture
- Moist but well-drained
- Aspect
- West-facing, East-facing, North-facing
- Exposure
- Sheltered
- UK hardiness
- H1C
Plant details
- Plant type
- Ferns
- Habit
- Clump forming
- Foliage
- Semi evergreen, Evergreen
- Height
- 0.1-0.5 metres
- Spread
- 0.1-0.5 metres
- Time to full height
- 2-5 years
- Suggested uses
- Houseplants
Care notes
- 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
- Pruning
- Can trim back any faded growth in winter if required or wait for new growth to start emerging in spring.
- Propagation
- Propagate by division of rhizomes in spring
- Pest resistance
- Generally pest-free
- Disease resistance
- Generally disease-free