31. I know you see it everywhere, but Eastern arborvitae ( Thuja occidentalis ) does make an effective, quick growing hedge. 32. :: I agree that much has been said at Thuja as well and perhaps an answer here will apply to both. 33. Arborvitae ( Thuja orientalis Mehldensis )-- bluish-purple, cone-shaped needle evergreen; reaches about six feet tall. 34. I know you see it everywhere, but eastern arborvitae ( Thuja occidentalis ) does make an effective, quick-growing hedge. 35. I know you see Eastern arborvitae ( Thuja occidentalis ) everywhere, but it does make an effective, quick-growing hedge. 36. Cedarwood oil and cedar leaf oil, which are derived from " Thuja occidentalis ", have different properties and uses. 37. :I think everything that's been said at Talk : Thuja has been said at Talk : Deadly nightshade as well. 38. However, excessive amounts of thuja can be toxic internally, so you must ensure that your dog doesn't lick the ointment. 39. "Thuja " species are used as food plants by the larvae of some Lepidoptera species including Autumnal Moth, The Engrailed and Juniper Pug. 40. In the 19th century " Thuja " was commonly used as an externally applied tincture or ointment for the treatment of warts, venereal warts.