Orange hawkweed (Hieracium aurantiacum) weed management guide
Alert List for Environmental Weeds
Department of the Environment and Heritage and the CRC for Australian Weed Management, 2003
ISBN 1 9209 3225 9
PDF file
About the guide
Orange hawkweed is on the Alert List for Environmental Weeds, a list of 28 non-native plants that threaten biodiversity and cause other environmental damage. Although only in the early stages of establishment, these weeds have the potential to seriously degrade Australia's ecosystems.
Orange hawkweed is a potential threat in the alpine country and the temperate tablelands of eastern Australia. It was probably introduced to Tasmania as a garden plant early in the 20th century but was not recorded in mainland Australia until much later. Hawkweeds are extremely invasive overseas; ten species have already become weed problems in New Zealand and several hundred species are known worldwide.
In alpine areas orange hawkweed can outcompete native plants and disturb local ecosystems. It fills the spaces between grass tussocks that are necessary for the regeneration and survival of native species.
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