Convulvulus arvensis is another very invasive plant which appears in the Spring and quickly spreads. It is commonly mistaken for Japanese Knotweed due to its heart shaped leaves.
However, somethings to notice which are different to Japanese Knotweed is that it flowers in early summer and they are trumpet-shaped. Whereas Japanese Knotweed flowers are in small clusters and flower in later summer to early Autumn.
Bindweed is known for its climbing nature and can sometimes be found inter woven with other plants. Whereas Japanese knotweed stands are strong and stand tall.
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