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How can I identify Japanese Knotweed during summer?
By The JKL Team

How can I identify Japanese Knotweed during summer?

Question: How can I identify Japanese Knotweed during summer?

Answer: In summer, Japanese Knotweed has large shovel-shaped green leaves forming a dense canopy, with canes growing 3 to 3.5m tall and clusters of creamy-white elongated flowers.

A Closer Look: 

During the summer months, Japanese Knotweed (Fallopia japonica) can be identified by its distinctive large, shovel-shaped green leaves that form a dense canopy. These leaves typically grow in an alternating pattern along the stem, reaching sizes of up to 14cm in length. The plant’s canes, which resemble bamboo, can grow to heights of 3 to 3.5 meters, adding to the dense and towering appearance.

In addition to its leaves and height, Japanese Knotweed produces clusters of creamy-white elongated flowers in late summer. These flowers, which appear in small, clustered panicles, help distinguish the plant from other similar-looking species. Recognizing these key characteristics during summer is essential for early detection and effective management of Japanese Knotweed, preventing its spread and minimizing its impact on property and the environment​

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