how big do arborvitae get
Arborvitae/White Cedar (Thuja). You ll be hard pressed to find a selection of our native arborvitae that matures in that ideal range of three to four feet tall and wide for an evergreen shrub. However, several of the larger varieties have potential as moderately-sized screening plants.ou ll be hard pressed to find a selection of our native arborvitae that matures in that ideal range of three to four feet tall and wide for an evergreen shrub. However, several of the larger varieties have potential as moderately-sized screening plants.