Question: I just purchased 12 Arborvitae 'Emerald Green' bushes. I want to put them on my property line but how far apart should I plant these bushes, how large in diameter will they get and how tall? The boy at Kmart knew as much about them as I did, 0 . If you could just let me know how far apart to plant them it would be great.
Answer: Thuja occidentalis 'Emerald Green' will grow 10'-15' tall and 3'-4' wide. To give your new plants elbow room, space them 5'-6' apart. If you want them to grow into a thick hedge, space them 4' apart.
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