It differs in its larger, oblong leaves more abruptly narrowed towards the stalk, in their margins not being revolute but flat, and in the smaller fruits. Pittosporum crassifolium Nana is a dense evergreen shrub that grows only 2 to 3 feet tall and approximately 4 to 6 feet wide. Flowers unisexual in terminal clusters; males up to ten in each cluster, females up to five; petals strap-shaped, recurved, dark purple. Both this species and P. ralphii, mentioned under it, have given rise to variegated cultivars in which the margin of the leaf is cream-coloured. 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. In the spring it produces small fragrant maroon flowers. Both P. ralphii and P. crassifolium are resistant to salt-laden winds and are used as shelter-hedges in the mildest parts. Fast growing and hardy, the Karo is a small to medium sized tree which grows tall and straight. This is a relatively low maintenance shrub, and should only be pruned after flowering to avoid removing any of the current season's flowers. long, obovate to oblong, always narrowed at the base to a stalk 1 ⁄ 2 to 1 in. 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. Tolerates full sun, dry free draining soil and wind. Pittosporum crassifolium (Karo) will reach a height of 10m and a spread of 5m after 5-10 years. Pittosporum crassifolium caro Join the RHS today and get 12 months for the price of 9. ex A.Cunn. Pittosporum crassifolium. Karo definition, a shrub or small tree, Pittosporum crassifolium, of New Zealand, having shiny leaves with a white, felty underside, red flowers, and densely hairy fruit. 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. Recommended citation'Pittosporum crassifolium' from the website Trees and Shrubs Online (treesandshrubsonline.org/articles/pittosporum/pittosporum-crassifolium/). How to Grow Pittosporum Propagation. Fruit roundish, dry, 2⁄3 in. Will grow in full sun and little water, but looks best in part sun with regular watering. Its relatively coarse texture can be used to stand it apart from other landscape plants with finer foliage. Pittosporum crassifolium, commonly known as karo, is a New Zealand native found along forest margins or along banks of streams from North Cape to Poverty Bay. Citriobatus can be included here, but might be a distinct (though closely related) genus. Grow in moderately fertile, well-drained soil in a sheltered, sunny position. Wallside and trellises, Mediterranean, Low Maintenance, Indoor, Hedging/Screens, Drought Tolerant, Conservatory, Beds and borders. Pittosporum crassifolium (Karo) - An evergreen shrub that holds grey-green round leaves that are covered with greyish hairs. Karo plants are susceptible to attack by Pittosporum chemid, an insect which sucks sap, causing loss of vitality and disfigured leaves. It grows well in full sun to partial shade Terminal clusters of small, fragrant, purplish-red flowers appear in late spring. See more. Forms a … This plant is listed in the RHS Plant Finder book. Leaves 11⁄2 to 4 in. Pittosporum crassifolium ‘Nana’ Dwarf Karo Boething Treeland Farms grows over 1,200 varieties of trees, shrubs, perennials and specialty plants on ten California nurseries to serve the wholesale landscape and nursery industries throughout the Western United States and beyond. P. ralphii Kirk – Another New Zealand species, closely related to the above. Why are there no more details? The leaves are a dusty green with a light gray-green understide. The plant is self-fertile. Cultivation. This species is cultivated as a garden ornamental in wetter temperate regions, where it is often grown as a hedging plant. long, leathery, covered beneath with a pale brown or whitish felt, the margins revolute. Pittosporum crassifolium 'Compactum' (Dwarf Karo) - An dense evergreen shrub that grows typically to 2 to 3+ feet tall by 4 to 6 feet wide with light olive green rounded leaves that are covered with grayish hairs on the lower surface. long, obovate to oblong, always narrowed at the base to a stalk 1⁄2 to 1 in. The spring-blooming maroon flowers are not outstandingly show but are interesting and fragrant. ex A. Cunn.. Common Name: Karo Family: Pittosporaceae R.Br. No Image. Signs for the Pittosporum psyllid are best placed by Karo, Pittosporum crassifolium, tree with leaves showing typical psyllid damage. The undersides of the foliage is felted with greyish-white hairs. Can grow as high as. Leaves 1 1 ⁄ 2 to 4 in. 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