Prickly plants used to stop graffiti vandals / 24dash.com, 30 May 2007
http://www.24dash.com/localgovernment/21231.htm
Pam Caulfield
"A thousand prickly plants have been planted in Warwickshire in a scheme that council bosses hope will become a thorn in the side of graffiti vandals. Convicted offenders have been planting the crime fighting flora at graffiti hotspots around the county after the scheme secured Government funding."