Contents
Description
Calochlaena, commonly known as the hard shield fern, is a genus of ferns that are native to Australia and New Zealand. This plant is a unique fern with interesting physical features. It has large, leathery, and glossy fronds that grow in a circular pattern. The fronds are usually dark green in color and can grow up to 3 feet in length. Calochlaena is a slow-growing plant, and it can take years for it to reach its full size.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Pteridophyta |
| Class | Pteridopsida |
| Order | Pteridales |
| Family | Blechnaceae |
| Genus | Calochlaena |
Appearance
Calochlaena is a unique fern with interesting physical features. It has large, leathery, and glossy fronds that grow in a circular pattern. The fronds are usually dark green in color and can grow up to 3 feet in length. The fronds have a hard texture, hence the name hard shield fern. The plant produces spores on the undersides of the fronds, which can be seen as brownish dots.
Care Guide
Calochlaena is a low-maintenance plant that is easy to care for. Here are some care tips:
Water
Calochlaena prefers moist soil, but it can tolerate periods of drought. Water the plant when the top inch of soil is dry. Do not overwater the plant, as this can cause root rot.
Fertilization
Fertilize Calochlaena once every 3 months during the growing season (spring and summer) with a balanced fertilizer.
Soil
Calochlaena prefers well-draining soil that is rich in organic matter. Use a mix of peat moss, perlite, and compost to create a well-draining soil.
Sunlight
Calochlaena prefers partial shade to full shade. Direct sunlight can scorch the fronds.
Hardiness Zones
Calochlaena is hardy in USDA zones 8 to 11.
Common Pests & Diseases
Calochlaena is not very susceptible to pests and diseases. However, here are some common issues to watch out for:
Pests
The most common pests that can affect Calochlaena are mealybugs and scale insects. Use insecticidal soap to get rid of these pests.
Diseases
Calochlaena can be susceptible to root rot if the soil is kept too wet. Make sure to water the plant only when the top inch of soil is dry.
Habitat
Calochlaena is native to Australia and New Zealand. It prefers moist, shady locations, such as rainforests, gullies, and wet sclerophyll forests. It can also grow in drier locations, such as rocky outcrops and sandstone cliffs.
Question and Answer
Q: Can Calochlaena be grown indoors?
A: Yes, Calochlaena can be grown indoors in a bright, indirect light location.
Q: How often should I fertilize Calochlaena?
A: Fertilize Calochlaena once every 3 months during the growing season (spring and summer) with a balanced fertilizer.
Q: Can Calochlaena tolerate full sun?
A: No, Calochlaena prefers partial shade to full shade. Direct sunlight can scorch the fronds.
Q: How do I propagate Calochlaena?
A: Calochlaena can be propagated by spores or by division. To propagate by spores, collect spores from the undersides of the fronds and sow them on moist soil. To propagate by division, divide the plant at the root ball and replant the sections in separate pots.
Related Plants
Here are some related plants to Calochlaena:
- Blechnum
- Doodia
- Dryopteris
- Cyathea
References
- https://www.gardeningknowhow.com/ornamental/foliage/hard-shield-fern/growing-hard-shield-ferns.htm
- https://www.gardeningwithangus.com.au/calochlaena-discolor-hard-shield-fern/
- https://www.nzpcn.org.nz/flora/species/calochlaena-discolor/
