green
"Some of my more illuminating conversations have been with vegetables"
"I have had the odd banter with a brassica."
His favourite confidant is a runner bean, "because runner beans don't run off to the Press".
Yes, that's our tree-hugging prince, future king of the vegetable patch, who today published his accounts for the first time to prove that he does not spend that much: only 13m pounds per year.
The man's a bargain.