Gardiner was born near Crieff in Perthshire in 1860, the son of John Gardiner, a crofter, and his wife Harriet (née Allan). In 1887 he married Elizabeth Maude Christie the daughter of an engineer from Ruthvenvale, near Auchterarder. Gardiner followed his father into agriculture.
He was educated at Morrison"s Academy in Crieff and also received private tuition.
Elizabeth Gardiner died of heart failure in a London nursing home in 1921 and in 1922 Gardiner married Elizabeth Christie whose father had homes in Mokameh in Bengal and at Comrie. He built up a seed potato and grain merchant’s business in Perth. He became a tenant farmer and developed one of the largest potato farms in Scotland, occupying an extensive portion of land on the Drummond Castle estate of the Earl of Ancaster. had a distinguished career in Scottish agriculture.
He was sometime Director of the Scottish Chamber of Agriculture and President of Scottish National Farmers’ Union.
He was an acknowledged expert in practical agriculture in all its advanced branches and was an authority on agricultural plant breeding, raising several of the most popular immune varieties of potatoes in cultivation. He later passed from specialising in potatoes to general farming and stock - breeding.
Gardiner first stood for Parliament at the 1918 general election as Liberal candidate for Kinross and Western Perthshire. Kinross and Western Perthshire was a new seat created for the 1918 election.
Despite Gardiner’s support for Prime Minister David Lloyd George, it was Stirling who was awarded the Coalition coupon.
Gardiner defeated Stirling in a straight fight by a majority of 604 votes. At the 1922 general election Gardiner stood as a supporter of Lloyd George under the description National Liberal and, despite the narrowness of his victory in 1918, he was returned unopposed. He stood down at the next election.
Gardiner died at his home, Dargill Farm, Crieff on 31 December 1924 aged 64 years.
31st United Kingdom Parliament. 32nd United Kingdom Parliament]
During the Great War he served as a Member of the Ministry of Agriculture, Fisheries and Food, Potato Advisory Committee. He was also a Member of the Council of the National Institute of Agricultural Botany.
