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cyathea australis tree fern

If you’re searching for a stunning, easy-to-grow feature for your garden, the Cyathea australis tree fern offers remarkable beauty and a lush, tropical look. Native to Australia and thriving in New Zealand gardens, the Cyathea australis tree fern is admired for its gracefully arching fronds and rugged fibrous trunk. This fern brings instant height, texture, and a canopy effect, perfect for shaded or woodland landscapes, as well as more contemporary garden designs. The Cyathea australis tree fern is not only attractive and versatile but also relatively hardy compared to other tree ferns, making it an ideal choice for gardeners who want resilience and lush greenery all year round.

Large Jacaranda mimosifolia tree with blue flowers.

Jacaranda mimosifolia (Blue Jacaranda)

5 from 1 customers

Jacaranda mimosifolia, commonly known as the Blue Jacaranda tree, is a tropical-looking tree that is widely planted because of its beautiful and long-lasting blue flowers. Loose clusters of the deep blue-mauve flowers are borne across the tree through spring and summer.

From $323.65

Suited to regions: All regions
Plant type: Trees
Height: 12.00 m
Spread: 8.00 m
Flowering time: Spring, Summer
Tolerances: Hardy, Wind
Garden uses: Parks, Specimen
Garden styles: Alpine, Japanese, Tropical
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Tree Fertiliser (Tree Fertiliser)

5 from 3 customers

Using tree fertiliser results in plants having better quality foliage, more profuse flowering, stronger stems, and a much healthier and brighter looking plant. The Plant Company’s Tree (and Shrub) Fertiliser has been specifically blended to give 12-months of continuous nutrition and give the plants an initial boost with all right nutrients.

From $16.95

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Cyathea australis tree fern.
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Cyathea australis, commonly known as the Rough Tree Fern, produces a tall and slender, brown trunk and can grow up to 15 m tall with a spread of 6 m...

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Cyathea cooperi tree fern.
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Cyathea dealbata fern with lush, green foliage.
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A cluster of Cyathea medullaris (Black Tree Ferns).
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A Cyathea smithii tree fern in a native reserve.
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Cyathea smithii, commonly known as Ponga Tree or Soft Tree Fern, is a beautiful New Zealand native fern admired for its graceful fronds and soft...

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Cyathea cunninghamii tree ferns.
Cyathea cunninghamii (Slender Tree Fern)

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Cyathea tomentosissima tree ferns.
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Doodia australis (Rasp Fern)

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Blechnum 'Silver Lady' elegant lime-green fronds.
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Athyrium niponicum fern.
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Did you find what you are looking for?

You might be interested in exploring related Latin Names - Agathis, Albizia, and Jacaranda, or related Categories - General Garden Fertiliser, Palm Tree Fertiliser, and Evergreen Shrubs.

Search cyathea australis tree fern

Features of Cyathea australis tree fern

The Cyathea australis tree fern typically grows up to 12 metres in the right conditions but is often seen at a more manageable size in home gardens. Its fresh green, finely divided fronds radiate from the top of the trunk, creating a soft, sheltering effect that’s particularly valued for underplanting and woodland settings. The trunk, covered in old frond bases, gives the tree fern its signature rugged look and helps protect it from drought and pests. The Cyathea australis tree fern prefers consistently moist soil and dappled shade but can tolerate some morning sun in cooler parts of New Zealand. With its fast growth rate and graceful spread, it’s ideal for quickly establishing a lush, green backdrop.

Landscaping uses for Cyathea australis tree fern

The Cyathea australis tree fern is a favourite among New Zealand gardeners for native planting, subtropical gardens, and even urban courtyards. It works beautifully in sheltered spots with good moisture, alongside other ferns and shade-loving perennials. The stunning fronds of the Cyathea australis tree fern catch the morning light and create a tranquil haven in your backyard or public reserve. Use them as a central feature, backdrop for pond plantings, or as shelter for smaller plants beneath their airy canopy. The tree’s vertical presence adds drama and architectural interest, especially when paired with plants like hostas, heucheras, or dwarf grasses.

For gardeners interested in expanding their collection, we recommend exploring other remarkable ferns such as Cyathea cooperi (Australian Tree Fern) for a slightly different frond texture, the silvery Cyathea dealbata (Punga), robust Cyathea medullaris (Black Tree Fern), or the delicate Cyathea smithii (Ponga Fern).

Growing and caring for Cyathea australis tree fern

To get the best from your Cyathea australis tree fern, choose a spot with free-draining, organic-rich soil in partial to full shade. Water regularly, especially in the first two years, as the tree fern’s shallow roots need consistent moisture to establish. Mulching around the base helps keep roots cool and damp. Feed with slow-release fertiliser in spring to promote lush growth. Prune away old or damaged fronds at the base for a tidy appearance and to reduce the risk of disease.

The Cyathea australis tree fern is a defining feature in any landscape, celebrated for both its resilience and its outstanding visual appeal. Add one to your space and enjoy the gentle, timeless atmosphere this classic tree fern brings. For more details, see our Cyathea australis listing.

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Illustration of plant leaves.
Garden icons like Ficus Tuffi and Coprosma acerosa lead the way, but there’s magic in discovering Carex buchananii (Buchanans Sedge), Portulacaria afra 'Variegata', and Camellia 'Paradise Blush'.
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