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Description
Parapolystichum Acuminatum, also known as the Eastern Rock Polypody, is a fern species that belongs to the Polypodiaceae family. It is native to eastern North America and can be found growing in rocky or sandy soil in woodlands, cliffs, and stream banks. This fern is known for its beautiful fronds that can grow up to 18 inches long and 4 inches wide. It is a deciduous fern that can add an interesting texture to any garden or landscaping project.
Taxonomic Information
| Domain | Eukaryota |
|---|---|
| Kingdom | Plantae |
| Phylum | Pteridophytes |
| Class | Polypodiopsida |
| Order | Polypodiales |
| Family | Polypodiaceae |
| Genus | Parapolystichum |
Appearance
The fronds of Parapolystichum Acuminatum are leathery and dark green in color. They are pinnate and can grow up to 18 inches long and 4 inches wide. The fern has a rhizome that can spread up to 12 inches wide. Parapolystichum Acuminatum is a deciduous fern that sheds its fronds in the fall.
Care Guide
Parapolystichum Acuminatum is a hardy fern that is relatively easy to care for. Here are some tips:
- Water: Keep the soil moist, but not waterlogged. Water the fern once a week, or more frequently during hot, dry weather.
- Fertilization: Use a balanced, water-soluble fertilizer once a month during the growing season.
- Soil: The fern prefers moist, well-draining soil that is rich in organic matter.
- Sunlight: Parapolystichum Acuminatum prefers shade to partial shade. Direct sunlight can scorch the fronds.
- Hardiness Zones: Parapolystichum Acuminatum is hardy in USDA zones 4-8.
Common Pests & Diseases
Parapolystichum Acuminatum is relatively resistant to pests and diseases. However, it can occasionally be affected by scale insects, mealybugs, and spider mites. These pests can be controlled by spraying the fern with a solution of water and insecticidal soap. The fern can also be affected by fungal diseases such as root rot and leaf spot. These diseases can be prevented by practicing good hygiene and ensuring that the fern has good air circulation.
Habitat
Parapolystichum Acuminatum is native to eastern North America and can be found growing in rocky or sandy soil in woodlands, cliffs, and stream banks. It prefers moist, shaded areas and is often found growing alongside other fern species.
Question and Answer
Q: Can Parapolystichum Acuminatum be grown indoors?
A: While Parapolystichum Acuminatum can be grown indoors, it prefers cool, moist conditions and may be difficult to keep healthy in a home environment.
Q: Can Parapolystichum Acuminatum be propagated?
A: Yes, Parapolystichum Acuminatum can be propagated by spores or by division in the spring.
Q: How often should I fertilize Parapolystichum Acuminatum?
A: Parapolystichum Acuminatum should be fertilized once a month during the growing season with a balanced, water-soluble fertilizer.
Q: Can Parapolystichum Acuminatum tolerate drought?
A: No, Parapolystichum Acuminatum prefers moist soil and will not tolerate prolonged periods of drought.
Related Plants
- Polypodium virginianum
- Polystichum acrostichoides
- Dryopteris marginalis
- Asplenium platyneuron
References
- “Parapolystichum acuminatum (Michx.) Farw.” Plants of the World Online, Kew Science. Accessed 10 August 2021. https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:17115600-1.
- “Parapolystichum acuminatum.” Missouri Botanical Garden. Accessed 10 August 2021. https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=m580.
- “Polypodiaceae.” Flora of North America. Accessed 10 August 2021. http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=10736.
