Harry plants last of mint (6)
I believe the answer is:
molest
'harry' is the definition.
(synonyms)
I can't explain the rest of the clue.
Can you help me to learn more?
(Other definitions for molest that I've seen before include "Attack sexually" , "Paw" , "Maliciously interfere with" , "Pester; assault" , "abuse" .)