Rake around good non-standard plant (5)
I believe the answer is:
rogue
'non-standard plant' is the definition.
(plant varying from a standard variety)
'rake around good' is the wordplay.
'rake' becomes 'roue' (both can mean an immoral man).
'around' indicates putting letters inside.
'good' becomes 'g' (abbreviation).
'roue' enclosing 'g' is 'ROGUE'.
(Other definitions for rogue that I've seen before include "Dishonest man" , "Rapscallion" , "Mischievous person" , "Wild animal living apart from herd, say elephant" , "Baddy" .)