Buds go in them (4)
I believe the answer is:
ears
(Other definitions for ears that I've seen before include "Auricles" , "Listening organs" , "'''Friends, Romans, countrymen, lend me your ...'' (Julius Caesar) (4)'" , "Spikes (of cereals)" , "Shakespeare 'Friends, Romans, countrymen, lend me your . . . .'" .)