Alsophila australis, synonym Cyathea australis, also known as the rough tree fern, is a species of tree fern native to southeastern Queensland, New South Wales and southern Victoria in Australia, as well as Tasmania and Norfolk Island.It was known by the aboriginal people of Illawarra as beeow-wang, as pooeet at Corranderrk Station in Victoria, and as nanga-nanga in Queensland.
Rough tree fern is resistant to disease and generally does not suffer from illnesses. When it comes to care, this plant is fairly low-maintenance. Planted outdoors, it needs little watering, and larger plants typically do not require pruning. Smaller plants, however, should be trimmed after they have bloomed. Rough tree fern is a good choice for anyone with an outdoor area, like a garden or deck, and does not demand much prior care experience.
How to keep Cyathea Australis.
Light
Rough tree fern naturally occurs in habitats like forest understories or rocky sites, where it receives natural shade. It favors partial sun but can tolerate both full sun and full shade, showing its adaptable and hardy character.
Temperature
Rough tree fern is native to regions where temperatures typically range from 59 to 95 °F (15 to 35 °C). This plant does best in moderate to warm conditions. During extreme seasons, temperature adjustments may be needed to keep it within a comfortable range.
Fertilizer
Fertilize your Rough tree fern in early spring to encourage healthy growth. Regular feeding improves its overall health, producing vigorous growth, greater resilience to challenging conditions, and better resistance to pests and diseases. Keep a consistent fertilization schedule for your Rough tree fern to maintain vibrant, deeply colored foliage and a lush appearance.
Botanical profile.
- Plant Type
- Tree
- Life Cycle
- Perennial
- Genus
- Cyathea
- Family
- Cyatheaceae
- Hardiness Zone
- 8-10
- Mature Height
- 2.44 m to 3.96 m
- Mature Spread
- 2.44 m to 3.96 m
- Leaf Color
- Green
- Leaf Type
- Evergreen
- Planting Time
- Spring, Summer, Autumn
Other names.