World Plants

Wollemia nobilis (Wollemi Pine)

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

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

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. Westonbirt Arboretum, Westonbirt, England. Muttart Conservatory, Edmonton, Alberta, Canada. Trebah Garden Trust, Mawnan Smith, Falmouth, Cornwall, United Kingdom.
Habitat	Australia, in a canyon in the Wollemi 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.