Description
Polystichum tsus-simense, commonly known as Korean rock fern or Korean tassel fern, is a deciduous fern native to Korea and Japan. It is a compact and slow-growing fern with glossy, dark green fronds that are bipinnate and triangular in shape, reaching a height of around 30-45 cm. The fronds emerge in a vase-like shape and mature into a graceful fountain-like habit, making it a beautiful addition to rock gardens, woodland gardens, and shady borders. It prefers moist, well-drained soil in partial to full shade, and is relatively low-maintenance.
Key Facts
- Common Name(s):Korean rock fern
- Hardiness:Fully hardy
- How big will I get? Polystichum tsus-simense can grow to a height of 0.5m and a spread of 0.5m.
- Did You Know That:There are 208 distinct species of Polystichum found in China?
Plant Calendar
A rough guide to how this plant will change through the year.
Jan | Feb | Mar | Apr | May | June | July | Aug | Sept | Oct | Nov | Dec | |
Foliage Colour |
J | F | M | A | M | J | J | A | S | O | N | D |
Care Guide
Soil Requirements
Polystichum tsus-simense prefers moist but well-draining soil. This plant can grow in soil with a wide range of pH levels, it is not picky about the pH level of the soil.
Best Position
Polystichum tsus-simense can handle either an exposed or a sheltered position and is perfect for darker areas of your garden it likes either full or partial shade.
Maintenance
Polystichum tsus-simense doesn’t require any regular pruning. Any dead or damaged fronds that take away from the overall look of the plant can be removed as they appear.
Pest, Diseases and Wildlife
Polystichum tsus-simense is generally pest free, and it tends not to have problems with diseases. It is not considered to be toxic.