Words and photos: Rowan Reid. It is also drought tolerant. It is hardy to zone (UK) 10. Australia's native Red Cedar, Toona ciliata, towers above pretty much everything else in the lowland rainforests.It can reach 60 m in height with a massive girth of 3m. Australian Red Cedar (called also Toona ciliata, Suren or Indian Mahogany), Toona ciliata is a forest tree in the family Meliaceae which grows throughout southern Asia from Afghanistan to Papua New Guinea and Australia. The species is hermaphrodite (has both male and female organs) and is pollinated by Insects. Toona ciliata is widely planted as a shade tree and for timber because it is fast-growing. Figures Figure 1. You would be lucky to spot one these days. Suitable for: medium (loamy) and heavy (clay) soils, prefers well-drained soil and can grow in heavy clay soil. Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and prefers well-drained soil. australis) ... as the young Red Cedar requires quite specific conditions in which to grow. Environmental and other impacts. Above: Measuring the girth of a red cedar in the Albury Botanical Gardens iat over a metre in diameter. The highly prized Australian Red Cedar (Toona ciliata var. Toona ciliata is a deciduous Tree growing to 30 m (98ft) by 30 m (98ft) at a fast rate. It is a prolific seed producers and establishes readily. The genus Toona is composed of only a few species, but phenotypic plasticity and genetic variation are responsible for much of the taxonomic complexity reflected in the literature. It is hardy to zone (UK) 5 and is not frost tender. The flowers are pollinated by Bees, Moths. The timber is easy to work and very highly valued. Outline of the interrelating events involved in shootborer infestation of Meliaceae species 2 Figure 2. Toona sinensis is a deciduous Tree growing to 20 m (65ft) by 8 m (26ft) at a fast rate. Economic and other uses . Suitable pH: acid and neutral soils and can grow in very acid soils. It is in flower in July. The dark environment of a Rainforest provides these perfect conditions. In Australia its natural habitat is now extensively cleared subtropical rainforests of New South Wales and Queensland. Efforts to plant Toona ciliata and exotic species of Meliaceae in Australia 30 Current information and research in Australia on Hypsipyla robusta and Toona ciliata 31 vii. Toona ciliata reproduces by seed.