Asplenium scolopendrium, commonly known as Hart’s Tongue Fern, is a hardy, evergreen fern with striking, tongue-shaped fronds. It thrives in shaded, moist environments and is an excellent choice for woodland gardens, shady borders, or even indoor cultivation in the right conditions.
Light Requirements
- Prefers partial to full shade.
- Avoid direct sunlight, which can scorch the leaves.
- If grown indoors, place in a north or east-facing position with indirect light.
Soil & Planting
- Likes moist, well-draining soil rich in organic matter.
- Prefers slightly alkaline to neutral soil (though it can tolerate mildly acidic conditions).
- If planting in containers, use a loamy, peat-free compost with added leaf mold or grit for drainage.
Watering
- Keep the soil consistently moist but not waterlogged.
- Water during dry periods, especially in summer.
- Reduce watering in winter but do not let the soil dry out completely.
Humidity
- Prefers high humidity.
- If growing indoors, mist occasionally or place near a pebble tray with water.
- Avoid placing it near radiators or heating vents.
Feeding
- Apply a diluted liquid fertilizer once a month during the growing season (spring and summer).
- Avoid excessive feeding, as ferns generally do not need much fertilizer.
Pruning & Maintenance
- Remove dead or damaged fronds to encourage fresh growth.
- Keep an eye out for slugs and snails, which may nibble on young fronds.
Hardiness & Winter Care
- Hardy in the UK (zones 6–9).
- Can tolerate frost but benefits from a mulch layer in colder areas.
- If grown in pots, consider moving to a sheltered location in winter.
Propagation
- Propagate by dividing mature clumps in spring or early autumn.
- Alternatively, collect and sow spores from the underside of fronds in a humid environment, though this method takes longer.
