Trainer Aidan O’Brien is confident his charge Kew Gardens will shine when he competes in the St Leger on September 15 at Doncaster.

The Galileo colt is the short-priced favourite at odds of 2.38 as connections try to land the final Classic of the season.

Kew Gardens has already won the Queen’s Vase at Royal Ascot this season and he followed that up in July by winning the Group One Grand Prix de Paris at Longchamp.

The three-year-old was beaten last time out by Old Persian in the Great Voltigeur Stakes at York but finished third by just under two lengths.

Connections believe his 5lb penalty for that race proved crucial and O’Brien is confident a switch back up to 14 furlongs will do him the world of good.

He told reporters: “I was delighted with Kew Gardens’ run (at York).

It was not ideal having a penalty, but we felt we had to have a run and we thought that was the perfect place to give him a prep.

“Ryan Moore was delighted with him and obviously he stays further. We always thought Doncaster would suit and hopefully the ground will be nice there.”

Old Persian is also set to run in Yorkshire next weekend and he is 7.00 to grab the win.

Lah Ti Dar is 7.00, while Latrobe is 10.00 to pull off a shock win. The Pentagon is also entered by O’Brien and is currently available at odds of 17.00.