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Products > Dicksonia antarctica
 
Dicksonia antarctica - Tasmanian Tree Fern
  

 
Habit and Cultural Information
Category: Fern
Family: Dicksoniaceae (Dicksonias)
Origin: Australia (Australasia)
Evergreen: Yes
Flower Color: Insignificant
Bloomtime: Not Significant
Height: 12-16 feet
Width: 8-12 feet
Exposure: Shade
Irrigation (H2O Info): Medium Water Needs
Winter Hardiness: 20-25 F
Dicksonia antarctica (Tasmanian Tree Fern) - This is a slow growing tree fern that in time will reach 15 feet tall with a possible 6-10' spread. It is slower and shorter than Cyathea. Many arching fronds are divided into many small toothed leaflets giving the tree a full head. The trunk of the tree is covered with soft reddish-brown hairs. It does best in shade, but can be planted in sun in the foggy coastal areas. Plant in a well-drained soil and water regularly and increase to watering frequently during hot weather. Irrigation can be applied to the trunk as well as the surrounding soil but avoid watering the crown as this enhances conditions that promote diseases such as Rhizoctonia or Tip Blight (Phyllosticta). Tip blight has become a more prevalent disease of tree ferns in southern California and seriously disfigures the new growth and older foliage. This tree fern is hardy and evergreen to the mid 20's but can defoliate and resprout after prolonged temperatures down to at least 19 F.  This description is based on our research and observations of this plant as it grows in containers at our nursery, in our own garden and in other gardens. We also appreciate receiving feedback of any kind from those who have additional information about this plant, particularly if they disagree with what we have written or have additional cultural tips that would aid others growing Dicksonia antarctica .
 
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