Type of weed: Grass
A robust, long-lived perennial tussocking grass, approximately 1–1.5m across and 2m high.
Attractive white or pinkish flower heads carried on tall stems each produce vast quantities of seed. Depending on the particular species, flowering occurs from spring through to autumn.
Individual plants have the ability to produce up to 100,000 seeds per flower head which are spread by wind. This can infest areas up to 25 to 40 km away. In many cases, garden plants are the seed source for infestations.
Impact on bushland
Once established, Pampas Grass is very competitive, restricting the establishment of native trees. It grows to form large clumps that can become a fire hazard and harbour vermin such as rats.
Native grasses such as:
- Kangaroo Grass (Themeda australis syn T. australis)
- Barbed-Wire Grass (Cymbopogon refractus)
Council provides a tool, on its Mountain Landscapes website, to help you choose native alternative plantings. Choose your village, soil, vegetation community and the purpose of your planting, and the tool will give you suggestions.
Digging out with a mattock is a successful means of control.
Control of large plants is easier and more effective if any seed heads are removed and bagged first and the plant is slashed before grubbing the crown and roots.
The cut and paint method using herbicide may be used.
For more infoFor key points on these techniques:
Noxious Weed Class 3
Regionally Controlled Weeds
Characteristics: Class 3 noxious weeds are plants that pose a serious threat to primary production or the environment of an area to which the order applies, are not widely distributed in the area and are likely to spread in the area or to another area.
Control objective: Reduce the area and the impact of those plants in parts of NSW.
Control action: The plant must be fully and continuously suppressed and destroyed.
Refer to the NSW Department of Primary Industry’s Noxious and Environmental Weed Control Handbook.