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Dicksonia fibrosa - Wheki


Dicksonia squarrosa tree fern Wheki new zealand
Origin: New Zealand

An extremely elegant and exotic looking Tree Fern from New Zealand (North Island, South Island, Stewart Island, Chatham Island, Three Kings Island). It has a very slender dark trunk up to 7 metres (22 feet) tall, in its native habitat, covered in yellowish-brown hairs. The fronds, dark green on top and paler underneath are quite rough in texture and form a graceful spreading erect crown.

A unique feature of this species is its ability to re-sprout from dormant adventitious buds lower down in the trunk or ground if the top is destroyed by cold. This species is happiest if it is never allowed to fully dry out. In the wild, the dead fronds cling to the trunk, forming a skirt, to prevent it from losing moisture.

It is not as hardy as Dicksonia antarctica and fronds will be damaged by severe frosts. I have planted one in the shade of trees in my garden to test out. Probably more suited as a (cold) conservatory plant or potted up to move on in the winter months in most areas in Ireland and Britain.

My experience on the hardiness of the squarrosa over the past 3 winters has been mixed. I believe at a minimum it should be planted in the shelter of larger plants and it should last through the winter. However another problem with it is the amount of water that it needs. Being a practically hollow trunk it dehydrates very easily during prolonged period of dry weather. Essentially it goes into stress if it dries out. It needs to be constantly watered and also needs to be fed. remember most of the Dicksonia squarrosa grow in poor, wet and swampy soil that get extremely high precipitation all year round.

When plants arrive by container after import they have little or no root structure, which puts a huge strain on the plant. Give it plenty of TLC to help re-establish the root system and you should have a more success.

When it works out it looks beautiful as can be evidenced in the picture taken recently of the large 15 foot trunked specimen in my new garden in Kells, Co. Kerry.




Prices for Dicksonia squarrosa.



Origin : New Zealand
Common Name : Wheki
Hardy scale : Hardy to around -4 Celsius
N.B. Needs winter protection and watered constantly.


Size (feet) Size (cm)  Price  Availability 
Young plants - no trunk  € 15.00  available 
0.5 foot trunk (15cm)  € 25.00  available 
1 foot trunk (30cm)  € 50.00  available 
2 foot trunk (60cm)  € 100.00  available 
3 foot trunk (90cm)  € 150.00  available 
4 foot trunk (120cm)  € 240.00  available 
5 foot trunk (150cm)  € 290.00  available 


Dicksonia News


May 2008 News Update -

New stock of Juania australis, Agave montana, Agave gentryi, Trachycarpus wagnerianus, Trachycarpus martianus 'Nepal Form' and many more.
Xanthorrhoea glauca GrassTree -

Picture of X. glauca in my garden 2005

X. glauca Grasstree - Prices start at €275.00
Dicksonia fibrosa Tree Fern carvings now available -

Sample photo of carving that we have in stock:

Beautiful, natural, sculptures in many forms from Dicksonia fibrosa and Black Mamaku