It was announced on 8 June 2013 that Ardron would be joining the Ospreys for the 2013-2014 RaboDirect Pro12 season.[2]
Ardron made his first appearance for the Ospreys on 14 September 2013. Coming off the bench, Ardron played for 26 minutes against Leinster.
It was announced in mid 2017 that Ardron had signed for the Chiefs in Super Rugby for 2018 and Bay of Plenty in the Mitre 10 Cup for 2017.[3]
On 4 June 2020, it was announced that Ardron would be making the switch to Castres Olympique in the French TOP 14[4]