Your majesty says very true: if your majesties is remembered of it, the Welchmen did goot service in a garden where leeks did grow, wearing leeks in their Monmouth caps; which, your majesty knows, is an honourable badge of the service: and, I do believe, your majesty takes no scorn to wear the leek upon Saint Tavy’s [St. David's] day.William Shakespeare, Henry V, Act IV, Scene 7
Today is Saint David's Day, the Welsh national holiday, as good a day as any to wear a leek in your cap.
Dewi Ddyfrwr ate only bread & water (a classy ascetic diet, sort of an anti-North Beach, Jesus-only diet). He was known for making the ground rise below him (to better address large crowds), & letting gold-beaked doves land on his shoulder. Now listen to this beautiful Welsh singing:
I was also happy to find this image of Van Gough made out of leeks: