Possible Clues:

• Green-thumbed one
• One does the groundwork
• He tends cultivated land around house
• Worker spending time in bed?
• One may get food pile finally into store
• Person responsible for plots exploded grenade in front of king
• One growing plants
• Weedy type Jesus was mistaken for
• Horticultural worker
• That's enough to make a green Dr. a blooming worker