ShowbizGardeners' worldJane Burn11 April 2012You can't switch on the telly these days without seeing Alan Titchmarsh, Charlie Dimmock and the like transforming some sorry yard into an urban paradise.But if TV has inspired you and you're fortunate enough to have outdoor space, the London Gardening Show can help turn your gardening dreams into reality.There will be a selection of showcase gardens, as well as plants for sale, free garden design advice and activities for the kids.The London Garden Show boasts a street party with celebs, entertainment and a charity auction (and is aimed at urbanites who need ideas.London Garden ShowThur 11-Sun 14 AprAlexandra Palace, Alexandra Palace Way, N22 (0870 733 4545). For more floral ideas, visit Kew GardensMORE ABOUTAlexandra PalaceGardeningKew Gardens