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Description
Cheilanthes Austrotenuifolia, also known as the Southern Rock Fern, is a small, evergreen fern that is native to Australia. It belongs to the Cheilanthes genus and is part of the Pteridaceae family. This fern is known for its delicate and feathery fronds that grow in a tight rosette. The fronds are typically a light green color and can grow up to 30cm in length.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Pteridophyta |
| Class | Pteridopsida |
| Order | Pteridales |
| Family | Pteridaceae |
| Genus | Cheilanthes |
Appearance
The Cheilanthes Austrotenuifolia plant is characterized by its light green, feathery fronds that grow in a tight rosette. The fronds can grow up to 30cm in length and are typically 2-4cm wide. The undersides of the fronds are covered in tiny spores that give them a slightly fuzzy texture. This fern is relatively small in size and typically only reaches a height of 20-30cm.
Care Guide
Water: The Southern Rock Fern prefers well-draining soil and does not like to be waterlogged. Water the plant when the top inch of soil feels dry to the touch.
Fertilization: This fern does not require frequent fertilization. You can fertilize it once a month during the growing season with a balanced, water-soluble fertilizer.
Soil: The Southern Rock Fern prefers sandy, well-draining soil. You can add peat moss or compost to the soil to increase its nutrient content.
Sunlight: This fern prefers partial shade or filtered sunlight. Direct sunlight can scorch its delicate fronds.
Hardiness Zones: The Southern Rock Fern is hardy in USDA zones 9-11.
Common Pests & Diseases
The Southern Rock Fern is relatively pest and disease-resistant. However, it can be susceptible to mealybugs, spider mites, and scale insects. These pests can be controlled with a solution of water and dish soap sprayed onto the plant. The fern can also be susceptible to root rot if it is overwatered or planted in poorly-draining soil.
Habitat
The Southern Rock Fern is native to Australia and can be found growing in rocky outcrops, crevices, and cliff faces. It prefers well-draining soil and typically grows in partial shade or filtered sunlight.
Question and Answer
Q: Can the Southern Rock Fern be grown indoors?
A: Yes, this fern can be grown indoors in a bright, humid location.
Q: How often should I water my Southern Rock Fern?
A: Water the plant when the top inch of soil feels dry to the touch.
Q: What is the best type of soil for the Southern Rock Fern?
A: The Southern Rock Fern prefers sandy, well-draining soil. You can add peat moss or compost to the soil to increase its nutrient content.
Q: How tall does the Southern Rock Fern typically grow?
A: This fern typically only reaches a height of 20-30cm.
Related Plants
- Cheilanthes Tenuifolia
- Cheilanthes Lanosa
- Cheilanthes Sieberi
References
- https://www.gardeningknowhow.com/ornamental/foliage/southern-rock-fern/southern-rock-fern-care.htm
- https://www.thespruce.com/southern-rock-fern-profile-5065808
- https://www.plantopedia.com/cheilanthes-austrotenuifolia-southern-rock-fern/
