Grass trees, also known as Xanthorrhoea, are native Australian plants that can be found in Melbourne and other parts of Victoria. They have unique root systems that consist of a large underground bulb called a lignotuber, from which long, grass-like leaves emerge.
While grass trees do have roots, they are not deep-rooted like trees with taproots. Instead, their roots tend to spread out horizontally near the surface of the soil. The lignotuber serves as a storage organ that helps the plant survive during periods of drought or fire.
The depth and extent of grass tree roots can vary depending on factors such as soil conditions and the age of the plant. Generally, the roots of grass trees extend just a few meters into the soil. This shallow root system allows them to efficiently capture water and nutrients from the topsoil.
It’s important to note that grass trees are protected species in Victoria, and removing them without proper authorization may be illegal. If you have specific concerns or questions about grass trees on your property in Melbourne, it is advisable to consult with local authorities or seek professional advice from arborists or environmental experts who are familiar with the regulations and requirements in your area.