Asked July 10, 2016, 11:19 PM EDT
Its 6ft has yellow flower which flowers in winter.
Washington County Outside United States
Hello, please let us know where this plant is located. If it is outside of the US - what country? If it is inside the US, what state and county? This way it will be easier for us to diagnose the problem and assign the question to the best expert.
it is in melbourne australia
This is Roldana petasitis, velvet groundsel. It is a naturalized weed in some areas, and considered invasive in some. Check with your local authorities for your area. Here are a couple of websites about the plant from Australia: Atlas of living in Australia: http://bie.ala.org.au/species/ROLDANA+PETASITIS# with tabs for different information. And Department of Conservation "Plant me Instead" booklet: https://www.boprc.govt.nz/media/43897/plantmeinstead.pdf (page 41 is the velvet groundsel).