Garden thugs: potential nuisance plants

Most gardeners are aware of the problems caused by weeds, but there are garden plants - readily available to buy - that have the potential to become a nuisance. Gardeners may buy these 'thug' plants unaware that, once established and given the right growing conditions, they can run amok.

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Japanese anemones can become invasive as times. Credit: RHS/John Trenholm.

Quick facts

Five 'thug' plants commonly available:
  • Leyland cypress
  • Japanese anemones
  • Mind-your-own-business
  • Blackberries
  • Mint

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The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.