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sweet pittosporum 08:Layout 1 25/10/10 2:50 PM Page 1 Environmental Weed Fact Sheet 6 Sweet pittosporum Botanical name: Pittosporum undulatum Common names: Sweet pittosporum, native daphne Origin: Eastern Australia How it spreads Sweet pittosporum reproduces by seed and is spread into gardens and bushland by small animals, such as birds which eat the berries. Rabbits, foxes and black rats eat the seeds and transport them on their fur. The seeds also stick to people’s shoes and can be present in dumped garden waste and soil. How to identify Environmental impact Sweet pittosporum occurs naturally in south east Australia and has spread far beyond its natural range. Plants can readily colonise large area of natural bush. A fast growing plant, it produces large numbers of seeds in early spring, contributing to its invasiveness. This plant is drought and shade tolerant, with seedlings germinating and establishing underneath tree canopies where indigenous species cannot survive. • Light to grey brown bark. • Green stems which turn, reddish brown then light grey. • Dark green leaves, 5–5cm long, 2–5cm wide, light green underneath with a prominent mid-vein and wavy undulating margins. • Very fragrant, cream flowers, with 5 folded back petals. Plants have either all male or female flowers, flowering in mid winter to early spring. • Sticky orange berries with many seeds. sweet pittosporum 08:Layout 1 25/10/10 2:50 PM Page 2 Environmental Weed Fact Sheet 6 How to control sweet pittosporum Removal by hand Sweet bursaria Replacement planting Sweet bursaria (Bursaria spinosa), blackwood (Acacia melanoxylon) and swamp paperbark (Melaleuca ericifolia) are all suitable alternatives to sweet pittosporum. For more information on indigenous plants or for a list of indigenous plant nurseries please contact the Council. Cardinia Shire Council offers a subsidy to landowners who undertake a farm chemical users course. Please contact Council for more information on 1300 787 624. Information supplied in this pamphlet is intended as a guide only. While all due care has been taken, Cardinia Shire Council accepts no responsibility for the use of the information or for any errors or omissions. Remove fruit bearing plants. Dig small plants out. Remove large plants by chainsaw. Hot fire can be used to control some infestations, however consult with local experts to minimise possible damage to the surrounding ecosystem. Chemical control Drill and fill sweet pittosporum at the exposed crown of the tree, or cut and paste, with an appropriate herbicide. Search the PUBCRIS database for registered products at www.apvma.gov.au or use a licensed herbicide contractor. Read the label of any chemical before use and ensure that you follow the manufacturer’s instructions. Disposal Cut material can be mulched when fresh as long as there are no seeds. Sweet pittosporum can also be disposed of in regular green waste collections or burned in a hot fire.