Green oak has been servicing in the jackson metro area since 1960. owner and founder, billy martinson, graduated from mississippi state in horticulture. through his leadership, green oak's reputation for quality and reliable work has grown.. About. our flagship store, located in jackson, consists of a large gift shop, full service florist, and full service garden center. green oak also includes landscape, maintenance, interiorscape, colorscape, party rentals, and christmascape departments.. Green oak is a full service garden center and florist providing landscaping, interiorscaping, colorscaping and more, serving the jackson, mississippi metropolitan request to remove oak village - home.