Thuja occidentalis (图)

来源: 又当爹来又当妈 于 2007-07-20 09:46:09 [] [旧帖] [给我悄悄话] 阅读数 : (611 bytes)

Arborvitae, American Thuja occidentalis The narrow, pyramid shape makes it a natural choice for windbreaks. Tall and elegant, it requires almost no care when used as a hedge or screen. Pairs of these hardy trees make great accents for doors and garden gates while single specimens soften house corners. Single specimens can grow to 40'-60' with a spread of up to 15' in the wild, but 20'-30' with a 12' spread in urban settings is more typical. Plant 3 feet apart for hedge. (zones 3-7)
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