所有这种花的秘密在于开过花后，将花茎齐根切去，以至于它们冬天的骨干不需再供养分。
The secret with all the kniphofias is to cut the spent flowering stems back to the base once they are over , as they don 't offer much in the way of winter skeletons .
谁送你这些花的，你有秘密崇拜者吗？
Who sent you those flowers & have you got a secret admirer ?
花的秘密