Korean rock fern
Polystichum luctuosum (P. tsus-simense)
Korean rock fern
- Forest fern from East Asia
- Filigree evergreen fronds
- Ideal for subtropical humid forest terrariums
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Description
The Korean rock fern is commonly called Polystichum tsus-simense. However, it is also assigned to the species Polystichum luctuosum from southern Africa and Madagascar. The species is mainly found in subtropical East Asia, from northern India via China to Japan and Vietnam. It grows in evergreen humid forests. The dark to medium green, filigree, pinnate, evergreen fronds grow to about 20-40 cm long and are attached to an underground rootstock.
This fern grows in loose, humus-rich soil that is kept slightly moist and must neither dry out nor become waterlogged. When it is well established, it can be fed with a houseplant fertiliser. As a shade plant it does not need much light, but a bright position without direct sun is recommended. Higher humidity above 60 % is favourable. The Tsushima shield fern comes from a subtropical climate with humid summers and cooler, drier winters. Accordingly, a cooler winter dormancy at about 3-15 °C is optimal, during which the fern is kept drier.
Polystichum luctuosum is a graceful subtropical fern that makes an effective accent in smaller terrariums, especially when combined with moss, stones and wood. Although it comes mainly from areas with cool winters, it can also be used for tropical terrariums.
Profile
| Polystichum luctuosum (P. tsus-simense) | |
| Cultivation Options | As a ground plant in substrate |
| Growth Height | Approximately 40 - 50 cm under optimal conditions |
| Temperature | 15 - 25 °C, frost-sensitive |
| Humidity | 70 - 90% |
| Light Requirement | Shady to semi-shady; avoid direct sunlight |
| Watering | Regularly, keep substrate consistently moist but avoid waterlogging |
| Fertilization | Moderate during the growing season; every 6 - 8 weeks with diluted liquid fertilizer |
| Propagation | Spores, occasionally by division of the rhizome |
| Suitable for | Smaller to medium-sized terrariums, shady areas, moist environments |
| Cultivation Options |
| As a ground plant in substrate |
| Growth Height |
| Approximately 40 - 50 cm under optimal conditions |
| Temperature |
| 15 - 25 °C, frost-sensitive |
| Humidity |
| 70 - 90% |
| Light Requirement |
| Shady to semi-shady; avoid direct sunlight |
| Watering |
| Regularly, keep substrate consistently moist but avoid waterlogging |
| Fertilization |
| Moderate during the growing season; every 6 - 8 weeks with diluted liquid fertilizer |
| Propagation |
| Spores, occasionally by division of the rhizome |
| Suitable for |
| Smaller to medium-sized terrariums, shady areas, moist environments |
Terrarienpflanzen
Our terrarium plants give every terrarium an individual, natural atmosphere and at the same time provide a healthy environment for all terrarium inhabitants. Our wide range of tropical, subtropical and even arid plants are easy to combine and enhance any terrascape. Whether it's strong succulents, subtle tillandsias, eye-catching neoregelias or wonderful orchids - we offer terrarium plants for different terrascapes from rainforest to desert.
General information
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