Japanese knotweed is a perennial plant native to East Asia, known for its rapid growth and invasive nature. It can reach heights of up to 10 feet and has hollow stems resembling bamboo. The plant produces small white flowers in late summer and has broad, heart-shaped leaves. Due to its aggressive growth, Japanese knotweed can damage buildings, roads, and other structures by penetrating foundations. It is difficult to control and can spread quickly, making it a concern for homeowners and landowners. Effective management often requires professional treatment to prevent its spread and protect the surrounding ecosystem.