Can grow as high as. Now naturalised in Hawaii and Norfolk Island, Karo is a recognised pest plant in some some parts of Australia's Victoria and New South Wales. Dense grey/green rounded shaped leaves are leathery on top and furry underneath and branches are soft and fleshy while young. Also known as karo, Pittosporum crassifolium inhabits lowland and coastal forests and can reach a height of up to 5m and spread of 2m. Flowers unisexual in terminal clusters; males up to ten in each cluster, females up to five; petals strap-shaped, recurved, dark purple. Karo (Pittosporum crassifolium) is regarded as an environmental weed in Victoria and New South Wales, and as a "sleeper weed" in other parts of southern Australia. It flowers prolifically in spring to early summer, producing clusters of small, dark red to purple flowers. P. ralphii Kirk – Another New Zealand species, closely related to the above. Height 3' - 4' • Spread 3' - 4'. Pittosporum crassifolium is an evergreen Shrub growing to 5 m (16ft) by 3 m (9ft). You can propagate pittosporum plant by seeds, but growing pittosporum from cuttings is relatively easy and better. The new flushes of leaves are a brighter yellow green and since the foliage is held upright near the tips, this plant appears to be quite gray at first glance. This is a relatively low maintenance shrub, and should only be pruned after flowering to avoid removing any of the current season's flowers. Mag., t. 5978. Like pōhutukawa, a fellow coastal tree of the north, it has leathery leaves with woolly undersides. Signs for the Pittosporum psyllid are best placed by Karo, Pittosporum crassifolium, tree with leaves showing typical psyllid damage. A compact, evergreen shrub densely covered with greyish-green rounded leaves in tight whorls on stem. Karo Pittosporum is grown either as a shrub or tree standard. Its fruit are eaten by birds and other animals, which The plant is self-fertile. Excellent for growing under tall deciduous trees. Thick, leathery, obovate leaves with rolled down margins, about 6 cm long and 2 cm wide. Terminal clusters of small, fragrant, purplish-red flowers appear in late spring. Pittosporum (/ p ɪ ˈ t ɒ s p ə r əm / or / ˌ p ɪ t ə ˈ s p ɔːr əm,-t oʊ-/) is a genus of about 200 species of flowering plants in the family Pittosporaceae.The genus is probably Gondwanan in origin; its present range extends from Australasia, Oceania, eastern Asia and some parts of Africa. Country of Origin: North and South Kermedic Islands {New Zealand} Habitat: Forest margins and by streams Description: Shrub or small tree, to 5m, bark smooth, dark gray; leaves ovate), and broadly tapering to each end; wider than oblanceolate. As the leaves enlarge the felting disappears and they mature to … The dark flowers give off a sweet scent on the night air. An evergreen shrub or small tree 15 ft or more high, of dense habit. Psyllid leaf damage in Karo can be encouraged by trimming the tree in summer to encourage new growth. Both P. ralphii and P. crassifolium are resistant to salt-laden winds and are used as shelter-hedges in the mildest parts. Terminal clusters of small, fragrant, purplish-red flowers appear in late spring. Native of the North Island of New Zealand; not hardy at Kew except on a wall, where it makes an interesting evergreen, but does not flower freely. ex A.Cunn. The leaf undersides and petioles are covered with a dense whitish tomentum. Pittosporum crassifolium caro Join the RHS today and get 12 months for the price of 9. across, containing numerous black seeds. Grow in moderately fertile, well-drained soil in a sheltered, sunny position. What do these icons mean? A great upright hedging plant along the coast. 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