Smith who has been working with Klondyke since August 2015 will start his new role from 1st September 2017.
Previous to joining Klondyke Smith was national accounts manager at Allensmore Nurseries and was garden plant buyer at Waitrose in 2013 after joining from Dobbies.
Chief executive David Yardley said: "Andy has over 20 years’ experience of working within the garden centre industry and I am delighted he will be working with us in this new role to help in taking the business forward."
David Yardley replaced Bob Hewitt as chief executive of Klondyke on 1 January 2017, with a pledge that the group will continue to follow its five-year plan agreed by the leadership team. Hewitt became executive chairman.
The business has been pursuing an active redevelopment programme of the restaurant portfolio within the Klondyke Group, with new restaurants opening at Brookside, Daleside, Lady Green and Houghton Hall Garden Centres within the last 2 years.