West’s Chelsea record is two best in shows and five golds in all, as well as a silver gilt. He won gold with M&G in 2014, gold and best in show with Brewin Dolphin in 2012, gold and best in show with The Telegraph in 2011, gold with Bupa in 2008 and gold with Saga in 2006, as well as silver gilt with Merrill Lynch in 2001.
Sturgeon won best in show in 2010 with The Telegraph among six golds between 2005-12 and a silver gilt in 2001.
West was unavailable for comment. Sturgeon did not comment.
Among other designs, the Rich Brothers have applied to return with Cloudy Bay after winning gold in 2015, while Hugo Bugg is set to return with Royal Bank of Canada. Jo Thompson is also set to design another show garden. James Basson is believed to be returning with L'Occitane. Final decisions on who has won a place at the show are being made in October.