1906 31 Mar. 9/5 The Fir Apple potato, which is branched like a fir cone.]
1923 31 Jan. 13/5 Messrs. Sutton and Sons, had a comprehensive exhibit of potatoes..with such curiosities as the ‘Pink Fir Apple’.
1998 N. Lawson (1999) 142 If you can get Pink Fir Apples so much the better, but it's not an issue.