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Great bindweed is a scrambling, twining vine. From October to May it produces white, trumpet-like flowers that are up to 9cm in diameter. The large, arrow-shaped leaves are arranged alternately along the stems and usually die back during winter. It has thick, white roots that can spread out over wide distances.
Great bindweed is common in New Zealand and can be found in gardens, road sides, waste places, forest edges, and wetlands.
With its extensive root system, greater bindweed spreads easily. It scrambles up and over other plants and outcompetes them by smothering. Mostly spreads via vegetation movement due to its ability to grow from fragments, thus care must be taken to dispose of all root material when carrying out control.