Tree roots and sewers
There are many trees to avoid planting near sewer pipes.
You should consult your local nursery or an arborist if you have concerns about planting a particular species.
The following table is a basic guide only.
Plants to avoid
| Botanical name | Common name | Damage rating |
|---|---|---|
| Cinnamomum camphora | Camphor Laurel | Extreme |
| Ficus species | Fig Trees & Rubber Plants | Extreme |
| Populus species | Poplars | Extreme |
| Salix species | Willows | Extreme |
| Erythrina species | Coral Trees | Very high |
| Eucalyptus species | Large Gum Trees | Very high |
| Jacaranda mimosifolia | Jacaranda | Very high |
| Liquidambar styraciflua | Liquidambar | Very high |
| Araucaria species | Norfolk Island and Bunya Pines | Very high |
| Brachychiton acerifolium | Illawarra Flame Tree | Very high |
| Casuarina species | Casuarinas | Very high |
| Melia azedarach | Australian White Cedar | Very high |
| Pinus species | Pine Trees | Very high |
| Platanus acerifolia | Plane Tree | Very high |
| Schinus molle | Pepper Tree | Very high |
| Ulmus species | Elms | Very high |
| Bougainvillea species | Bougainvilleas | High |
| Cortaderia selloana | Pampas Grass | High |
| Grevillea robusta | Silky Oak | High |
| Ilex species | Hollies | High |
| Lagunaria patersonii | Norfolk Island Hibiscus | High |
| Ligustrum species | Privets | High |
| Magnolia species | Magnolias | High |
| Nerium oleander | Oleander | High |
| Phoenix canariensis | Canary Island Date Palm | High |
| Phyllostachus species | Bamboos | High |
| Toxicodendron species | Rhus Trees | High |
| Lophostemon confetus | Brush Box, Tristania | High |
| Wisteria species | Wisteria | High |
WHAT TO DO IF YOU HAVE A SEWER BLOCKAGE
Problems in the sewerage system generally occur within the pipes, stopping the flow of sewage away from your home. Only degradable items should be placed down your toilet, sink and drains. If you have a blockage, find out what you need to do.