They have a white to grey smooth-barked trunk and are widely planted as ornamentals. Poplars are large deciduous trees that grow to around 20 metres tall. All parts of the plant are also poisonous and can cause allergic reactions and nausea and vomiting if ingested, so this is definitely one to avoid in your garden! White poplar (Populus alba) Hence, it is considered a significant environmental weed in south-eastern Queensland and New South Wales.īecause it is also self-propagating and has a rapid growth rate, its root system is renowned for damaging sewerage pipes. It is highly invasive and tends to form single species communities and exclude most other desirable native vegetation. This tree has prolific seed production and a lack of serious diseases or predators. It has a large, spreading canopy and a short, stout trunk, and grows in areas of high rainfall and in a wide range of soil types. Camphor laurel (Cinnamomum camphora)Ĭamphor laurel is an evergreen tree that grows up to 20 metres in height. Here is a list of trees with invasive roots. However, some species are best avoided due to their potential to cause structural damage to a property and its surrounds. Trees are a great addition to any garden and provide health, environmental, aesthetic and even economic benefits. The most common signs of invasive root damage in foundations include: The most common signs of invasive root damage in drains include: Buckling in tiling or concrete surfaces.The most common signs of invasive root damage in paving and driveways include: Invasive tree roots can cause damage to paving, retaining walls, driveways, drains and a building’s foundations. Being expensive to remove if the root network is extensive.Emigrating to neighbouring properties and causing potential damage.Making it difficult for the ground around trees to be cultivated.Lifting and destabilising a building’s foundations.Buckling and warping footpaths, paving and driveways.Infiltrating drainage networks and pipes, including septic lines where they can plug toxic sewerage, making the air, water and surrounding soil a health hazard.Creating an uneven surface and posing a safety hazard that could cause trips or falls.If tree roots are invasive, they can become a massive liability to property owners. Trees use their roots for stability and water uptake and vary from narrow to wide and shallow to deep. Here is our guide to trees with invasive roots in Australia and ways to alleviate the damage if you discover one in your garden.
Trees with smaller roots provide the ideal combination of aesthetics and straightforward maintenance, plus the peace of mind that structural damage will be minimised. This is particularly the case with trees that have invasive roots, as some tree roots have been known to travel up to thirty metres away from their tree base! Zizania latifolia (Griseb.Whilst some trees can be a real asset to your garden, others can become a challenge to manage. Includes all commodities in Subgroup 016C Subgroup 016C, Aquatic root and tuber vegetables several species, several species several speciesĬhamma, Yam Asiatic bitter, Yam Chinese, Yam Cush-cush, Yam Greater, Yam Lesser, Yam White Guinea, Yam Yellow Guinea Pachyrhizus ahipa (Wedd.) Parodiĭioscorea L. esculentaĬocoyam, Dasheen, Eddoe, Kötak, Talo futuna violaceum Schott.īlue ape, Cocoyam, Tanier,Taro tarua, YautiaĬolocasia esculenta (L.) Schott, var. and other potato species other potato speciesĪjanhuiri, Andigena, Ckaisalla, Potato Specialty, Rucki merkusii (Hassk.) SchottĬonopodium majus (Gouan) Loret & Barrandon campanulatus (Roxb.) Blume ex DecneĬytosperma chamissonis (Schott) Merr., Syn: C. MortonĪmorphophallus paeoniifolius (Dennst.) Nicolson Syn: A. Syn: Solenostemon rotundifolius (Poir.) J.K. Plectranthus rotundifolius (Poir.) Spreng.
palmata Muell.-Arg.Ĭassava Bitter, (CODEX STAN 300-2010) Cassava Sweet, (CODEX STAN 238-2003) Manioc, Tapioca several cultivars, several cultivars several cultivarsĬanna indica L. indica (Lour.) SpachĪrracacia xanthorrhiza Bancr., syn: A.
Includes all commodities in Subgroup 016BĪlocasia macrorrhiza (L.) G Don., A. Subgroup 016B, Tuberous and corm vegetables napobrassica (L.) Reichenbachīrassica rapa L., var. longipinnatus Baileyīeta vulgaris L., var. Petroselinum crispum (Mill.) Nyman ex A.W. Ex UsteriĪdenophora triphylla DC., Adenophora spp. et al, Syn: Cochlearia armoracia L., Armoracia lapathifolia Gilib. rapaceum (Mill.) GaudinĬodonopsis lanceolata (Siebold & Zucc.) Trautv.Īmerican Ginseng, Korean Ginseng, Pseudoginseng, Vietnamese ginsenĪrmoracia rusticana Gaertn. Includes all commodities in Subgroup 016AĪrctium lappa L., syn: Lappa officinalis All., L. All commodities in Group 016 Root and tuber vegetables