Source : Webster's Revised Unabridged Dictionary (1913)

Grower \Grow"er\, n.
   One who grows or produces; as, a grower of corn; also, that
   which grows or increases; as, a vine may be a rank or a slow
   grower.

Source : WordNet®

grower
     n : someone concerned with the science or art or business of
         cultivating the soil [syn: {agriculturist}, {cultivator},
          {raiser}]