Wollemia nobilis (Wollemi Pine)
Botanical Information
Family | Araucariaceae |
Genus | Wollemia |
Species | nobilis |
Category | Woody |
Type | Tree (evergreen) |
Origin | New South Wales, Australia. This species is listed on the ICUN Red list as Critically Endangered. |
Pronunciation |
Details
USDA Hardiness Zone | 9 - 11 |
USDA Hardiness Ref. | |
Canadian Hardiness Zone | Requires cool season protection under glass. |
Canada Hardiness Ref. | |
RHS Hardiness Zone | H1C - H4 |
RHS Hardiness Ref. | |
Temperature (°C) | -5 |
Temperature (°F) | 23 |
Height | 25 - 40 m |
Spread | 10 - 20 m |
Growth | Medium |
Description and Growing Information
General Description | Upright evergreen coniferous tree. |
ID Characteristic | Slender crown and trunk with possibility of multiple trunks. |
Shape | Upright conical. |
Landscape | Indoor potted plant or potted patio plant or as a specimen plant in mild climates. |
Propagation | Seed, tip cuttings or micropropagation. |
Cultivation | Best grown in full to partial sun in acidic well-drained soil. Slightly frost tolerant. |
Pests | Wollemia is susceptible to the pathogenic water mould Phytophthora cinnamomi. |
Notable Specimens | Pinetum Park and Pine Lodge Gardens, Cornwall, England. Wakehurst Place, Ardingly, West Sussex, England. Westonbrit Arboretum, Westonbrit, England. Muttart Conservatory, Edmondton, Alberta, Canada. Trebah Garden Trust, Mawnan Smith, Falmouth, Cornwall, United Kingdom. |
Habitat | Australia, in a canyon in the Wollemia National Park. |
Bark/Stem Description | The bark is very distinctive and knobby. |
Leaf Description | Flat linear needles 3 - 8 cm long and 2 - 5 mm broad that are arranged spirally on the shoot, but twisted at the base to appear in 2 or 4 flattened ranks. |
Fruit Description | Green seed cones 6 - 12 cm long and 5 - 10 cm in diameter that mature about 18 - 20 months after pollination. They disintegrate at maturity to release the seeds. The male (pollen) cones are slender conic, 5 - 11 cm long and 1 - 2 cm broad. |
Colour Description | Medium to light green foliage. Dark brown bark and light green to reddish-brown cones. |
Texture Description | Smooth. |