Celebrated horticulturalist Monty Don has revealed the one plant he simply couldn't live without, which features in his diet each and every day. Monty, who marked his 70th birthday in July last year, shared his thoughts when Jo Whiley asked him on the RHS YouTube channel which three plants he would take to a desert island. The third plant on Monty's list "had to be something edible", narrowing it down to either a pear or a particular variety of lettuce. Monty explained: "It has to be something