Black Tree Fern

Black Tree Fern

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Black Tree Fern

The Black Tree Fern grows in damp shaded gullies throughout New Zealand. Reaching 20m in height, they have oval-shaped frond scars on the trunk.

Origin: New Zealand

Botanical name: Cyathea medullaris.

Family: Cyatheaceae.

Suitable: Outdoor.

Max height: 20m.

Toxins removed: N/A.

Pet Friendly: Midly-toxic.

Ferns contain carcinogens, caution is advisable.

Plant Care Guide

 Water: Moderate. Make sure soil is moist at all times but not wet.

Light: Indirect Sun / Partial Shade. Avoid direct sun, will burn leaves.


Temperature: 10° - 27°C. Ideal temperatures.

Humidity: High. 50 - 70%.

Soil: Good drainage potting mix. 5.5 - 6.0 ph.

Fertilizer: Light Feeding. Once in spring & summer. Once in Autumn & Winter.

 Plant Size

Medium: 80cm-1m

Mature sizes available upon request.


Free plant based coffee on pickup.

Free delivery in Auckland (Non-Rural).

Planting can be provided at extra cost. Please enquire: plantbase@mail.com