Garden figure (5)
'garden figure' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for gnome that I've seen before include "Legendary being (from Zurich)?" , "Little old elf" , "Goblin" , "Fairy-tale creature, in the garden perhaps" , "little chap fishing in the garden" .)
(Other definitions for grower that I've seen before include "One cultivating plants" , "Produce provider" .)