Contents
1. Description
Nephrolepis Obliterata, commonly known as the Sword Fern, is a species of fern that belongs to the family Lomariopsidaceae. It is a tropical plant that can be found in many parts of the world, including Asia, Africa, and South America. This fern has a unique appearance that makes it popular among indoor gardeners and landscape designers.
2. Taxonomic Information
| Domain | Eukarya |
| Kingdom | Plantae |
| Phylum | Pteridophyta |
| Class | Polypodiopsida |
| Order | Polypodiales |
| Family | Lomariopsidaceae |
| Genus | Nephrolepis |
3. Appearance
Nephrolepis Obliterata is a medium-sized fern that can grow up to 3 feet in height and 3 feet in width. It has long, slender fronds that resemble swords, hence the common name “Sword Fern.” The fronds are a bright green color and have a glossy texture. They grow in a rosette pattern, with new fronds emerging from the center of the plant. The plant has a thick, woody rhizome that grows horizontally just below the soil surface.
4. Care Guide
Water
Sword Ferns prefer moist soil and require regular watering. It is important to keep the soil evenly moist, but not waterlogged. Allow the top inch of soil to dry out before watering again. Overwatering can lead to root rot and other fungal diseases.
Fertilization
Fertilize Sword Ferns once a month during the growing season (spring and summer) with a balanced, water-soluble fertilizer. Do not fertilize during the winter months when the plant is dormant.
Soil
Sword Ferns prefer a well-draining soil that is rich in organic matter. Use a high-quality potting mix that contains peat moss, perlite, and vermiculite.
Sunlight
Sword Ferns prefer bright, indirect light. They can tolerate some direct sunlight in the morning or late afternoon, but too much direct sunlight can scorch the fronds.
Hardiness Zones
Sword Ferns are hardy in USDA zones 9-11. They can be grown indoors in cooler climates.
5. Common Pests & Diseases
Sword Ferns are susceptible to a few common pests and diseases, including spider mites, mealybugs, and scale insects. These pests can be controlled with insecticidal soap or neem oil. The plant is also prone to root rot and other fungal diseases if overwatered.
6. Habitat
Nephrolepis Obliterata is native to tropical regions and can be found in many parts of the world, including Asia, Africa, and South America. It grows in moist, shaded areas, such as rainforests and swamps.
7. Question and Answer
Q: Can Sword Ferns be grown indoors?
A: Yes, Sword Ferns can be grown indoors in a bright, humid location.
Q: How often should I water my Sword Fern?
A: Sword Ferns prefer moist soil and require regular watering. Water when the top inch of soil is dry.
Q: Can Sword Ferns tolerate direct sunlight?
A: Sword Ferns prefer bright, indirect light. They can tolerate some direct sunlight in the morning or late afternoon, but too much direct sunlight can scorch the fronds.
Q: How do I propagate Sword Ferns?
A: Sword Ferns can be propagated by dividing the rhizome in the spring or early summer.
9. Related Plants
Some other ferns that are related to Nephrolepis Obliterata include:
- Nephrolepis exaltata (Boston Fern)
- Nephrolepis cordifolia (Tuberous Sword Fern)
- Nephrolepis biserrata (Serrated Sword Fern)
10. References
- University of Florida IFAS Extension – Nephrolepis Obliterata: https://edis.ifas.ufl.edu/fp631
- Missouri Botanical Garden – Nephrolepis Obliterata: https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=k940
- RHS – Nephrolepis Obliterata: https://www.rhs.org.uk/plants/7569/nephrolepis-obliterata/details
