среда, 8 августа 2012 г.

зона дерева






KNOWLEDGE EMPOWERING PEOPLE AND TECHNOLOGY ENABLING CITIES TO SUPPORT URBAN COMMUNITY FORESTS.

Click on your Zone number or scroll down to see which trees can be expected

to grow in your particular zone. Please note that these zones are based on

temperature extremes and do not take into account other critical conditions,

such as moisture, soil, winds, exposure, etc. Central Eastern U.S.

refers to areas east of the Rocky Mountains. Western U.S. refers to the

Rocky Mountains and areas west of them.

Average Annual Minimum Temperature: -50 degrees Fahrenheit or below

Trees that grow in this zones temperature extremes:

Alaska-cedar, Yellow-cedar Chamaecyparis nootkatensis

source


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