Introduction - public attitudes; Recognise your plant - how does it reproduce? How has it become so widespread? Different forms of knotweed and other similar plants; Dealing with knotweed on properties - the basic do's and don'ts, what should you do if knotweed is growing in your garden? What legal recourse do you have if it spreads onto your land; Buying property with knotweed growing on it, mortgage lenders and the property market; Why is Japanese knotweed a cause for concern? - environmental impact, structural damage, is knotweed a health risk? Methods of treatment: what the professionals can do for you - control or eradication, control by herbicide: glyphosate, dormancy, 'bonsai' regrowth - excavation, removal, root barriers; alternatives - hand-pulling, cutting, mowing, covering, burning, the consequences of knotweed disturbance, insurance-backed guarantees, insurance cover, contractors' obligations, reinfestation; Finfing impartial advice, trade bodies and other organisations; Glossary: Useful contacts and information.