Parsley, sage, rosemary and thyme (5)
I believe the answer is:
herbs
'parsley sage rosemary and thyme' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for herbs that I've seen before include "Rosemary and Basil" , "Culinary plants" , "Medicinal plants" , "Parsley, sage, rosemary and thyme" , "Aromatic plants used in cooking" .)