Greenery (10)
There are a few possibilities for this:
vegetation
'greenery' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for foliage that I've seen before include "Greenery, leaves of trees or plants" , "Cluster of leaves" , "Leaves of tree or plant" , "Mass of leaves" , "Plant leaves collectively" .)
'greenery' is the definition.
(I know that greenery can be written as verdure)
This is the entire clue.
(Other definitions for verdure that I've seen before include "Greenery, in a French sort of way" , "Flourishing green vegetation" .)
'greenery' is the definition.
(thesaurus)
This is the entire clue.
(Other definitions for vegetation that I've seen before include "Plants collectively" , "Plants etc." .)