Overview
Asplenium dimorphum is a clump forming ferns in the genus Asplenium, part of the Aspleniaceae family, with evergreen foliage. Asplenium dimorphum grows best in partial shade, and tolerates loam soils and acid and neutral pH. Its UK hardiness is rated H2. Suggested uses include architectural, sub-tropical and conservatory and greenhouse.
About
Asplenium dimorphum, known as the three-in-one fern, is a clump-forming evergreen fern belonging to the Asplenium genus. This group is characterised by short, upright rhizomes supporting a rosette of somewhat leathery fronds that can range from simple to pinnate forms. Asplenium dimorphum thrives in partial shade with a preference for east- or west-facing, sheltered aspects. It grows best in moist but well-drained loam soil with an acid to neutral pH, making it suitable for architectural planting as well as sub-tropical conservatories and greenhouses during spring and summer.
Growing conditions
Best soil and position for Asplenium
- Sunlight
- Partial shade
- Soil type
- Loam
- Soil pH
- Acid, Neutral
- Soil moisture
- Moist but well-drained
- Aspect
- East-facing, West-facing
- Exposure
- Sheltered
- UK hardiness
- H2
Plant details
Asplenium dimorphum size, habit and characteristics
- Plant type
- Ferns
- Habit
- Clump forming
- Foliage
- Evergreen
- Suggested uses
- Architectural, Sub-tropical, Conservatory and greenhouse
Care notes
Pruning and caring for Asplenium dimorphum
- Propagation
- Sowing spores, potting up plantlets
- Pest resistance
- Scale insects
- Disease resistance
- Generally disease-free
Frequently asked questions
Where is the best place to plant Asplenium dimorphum?
Asplenium dimorphum prefers partial shade. It suits sheltered positions.
What soil does Asplenium dimorphum need?
Asplenium dimorphum grows best in loam soil. It prefers acid and neutral soil. Aim for soil that stays moist but well-drained.
Is Asplenium dimorphum hardy in the UK?
Asplenium dimorphum has an RHS hardiness rating of H2, meaning it is tender, tolerating 1–5°C, and needs frost-free protection over winter.
How do I propagate Asplenium dimorphum?
Sowing spores, potting up plantlets.
More in the Asplenium genus
- Asplenium adiantum-nigrumblack spleenwort
- Asplenium aethiopicumAfrican spleenwort
- Asplenium antiquumbird's nest fern
- Asplenium attenuatum
- Asplenium lamprophyllum
- Asplenium scolopendriumhart's tongue fern
- Asplenium scolopendrium 'Angustatum'hart's tongue fern 'Angustatum'
- Asplenium trichomanesmaidenhair spleenwort
