Legionella pneumophila is responsible for 6-11% of community-acquired pneumonias. While association with contaminated cold and hot water supplies, evaporative condensers, spa pools, thermal springs or respiratory therapy equipment has been documented, hoses have not yet been linked to Legionnaires’ disease. This paper reviews evidence of the role of garden hoses as a risk factor for L. pneumophila. Journal of Hospital Infection 2007;67:396-7.