“The home gardener is part scientist, part artist, part philosopher, part plowman.” – John R. Whiting
I like this quote because we are all so many parts of different things to make up the whole of who we are. When you write a character does he or she have a lot of parts? Can you name them all? If not, chances are the character is falling flat. Give them more, don’t keep them too simple or plain or focused on just one thing.
Try to describe a character who is a gardener, start there and see what comes into the description when you really think about who your gardener is.