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Description
Polystichum Polyblepharum, commonly known as Japanese tassel fern or Korean rock fern, is a species of evergreen fern that belongs to the Dryopteridaceae family. It is native to Japan, Korea, and eastern China. The plant has a small, compact growth habit, with fronds that grow up to 3 feet long and 6 inches wide. It is a popular choice for gardeners due to its attractive foliage and ease of care.
Taxonomic Information
| Domain | Eukarya |
|---|---|
| Kingdom | Plantae |
| Phylum | Tracheophyta |
| Class | Polypodiopsida |
| Order | Polypodiales |
| Family | Dryopteridaceae |
| Genus | Polystichum |
Appearance
The foliage of Polystichum Polyblepharum is leathery and dark green, with long, narrow fronds that grow in a shuttlecock shape. The tips of the fronds are finely toothed, giving the plant a tassel-like appearance. The plant grows in a clumping habit, forming a rosette of fronds that can grow up to 3 feet in height and 2 feet in width. The fronds are evergreen, providing year-round interest in the garden.
Care Guide
Japanese tassel fern is a low-maintenance plant that is easy to grow. Here are some tips to keep your Polystichum Polyblepharum healthy:
- Water: Water the plant regularly, keeping the soil moist but not waterlogged. Avoid letting the soil dry out completely.
- Fertilization: Fertilize once a month during the growing season with a balanced, water-soluble fertilizer.
- Soil: Plant in well-draining soil that is rich in organic matter. The plant prefers slightly acidic to neutral soil.
- Sunlight: Place in partial to full shade. The plant prefers moist, shady conditions, but can tolerate some sun.
- Hardiness Zones: Polystichum Polyblepharum is hardy in USDA zones 5-8.
Common Pests & Diseases
Japanese tassel fern is generally pest and disease-free. However, it can be susceptible to scale insects and mealybugs. To prevent these pests, keep the plant healthy and avoid overwatering. If an infestation does occur, treat with an insecticidal soap or horticultural oil. The plant is also susceptible to fungal diseases such as rust and leaf spot. To prevent these diseases, avoid overhead watering and improve air circulation around the plant.
Habitat
Polystichum Polyblepharum is native to Japan, Korea, and eastern China. It grows in moist, shady habitats such as woodland areas and along stream banks. The plant is adapted to cool, moist climates, but can tolerate some sun and heat.
Question and Answer
Q: Is Polystichum Polyblepharum deer resistant?
A: Yes, Japanese tassel fern is deer resistant.
Q: Can Polystichum Polyblepharum be grown indoors?
A: Yes, the plant can be grown indoors in a bright, humid location.
Q: How often should I fertilize Japanese tassel fern?
A: Fertilize once a month during the growing season with a balanced, water-soluble fertilizer.
Q: What is the hardiness zone for Polystichum Polyblepharum?
A: The plant is hardy in USDA zones 5-8.
Related Plants
- Polystichum Acrostichoides (Christmas fern)
- Polystichum Lonchitis (Holly fern)
- Polystichum Setiferum (Soft shield fern)
References
- “Polystichum Polyblepharum.” Missouri Botanical Garden, www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=c192.
- “Polystichum Polyblepharum.” Royal Horticultural Society, www.rhs.org.uk/Plants/25207/Polystichum-polyblepharum/Details.
- “Japanese Tassel Fern (Polystichum Polyblepharum).” Gardening Know How, www.gardeningknowhow.com/ornamental/foliage/japanese-tassel-fern/japanese-tassel-fern-care.htm.
