Food caddies will be appearing on doorsteps across the borough from Monday. Food caddies will be appearing on doorsteps across the borough from Monday. FOOD WASTE caddies are set to be rolled out to households across Solihull. A leaflet on changes to fortnightly rubbish collections and how to make best use of their collections and maximise space in their rubbish bin will also be delivered. “I would like to remind people that the new weekly food waste collections and change to fortnightly rubbish collections begins from October 5, so please keep the new food caddies aside until this date.