Buddleia also know as butterfly bush is a pretty plant but is invasive (Image: Getty) Gardeners need to keep a watchful eye on what is growing in their gardens, as one beautiful flower is just as invasive and troublesome than Japanese knotweed. Buddleia, commonly known as butterfly bush, is a shrub that produces colourful cone-shaped flowers that are filled with nectar and attract butterflies to the garden . While buddleia may seem harmless, it does not originate from the UK which means it can quickly overtake garden plants as it is fast-growing and will produce a large amount of seeds in a short space of time.

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Log('[Load] OVP flagTcfLoaded',new Date())}else{document.addEventListener("tcfLoaded",()=>{loadOvpScript()ExpressApp.Log('[Load] OVP tcfLoaded',new Date())})}},1500)}) The seeds in buddleia flower can widely spread as they travel in the wind and are known to get into awkward places such as the cracks in buildings,.