Ideally, new trees should be planted in the fall after leaf drop or early spring before budbreak. Cooler weather will allow plants to establish roots in their new home before spring rains and summer heat stimulate growth of the canopy.  Trees purchased from a reputable nursery, such as Signal Mountain Nursery, can be planted at any time of year when done correctly. 
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What are Hardiness Zones? The Plant Hardiness Zones divide the United States and Canada into 11 areas based on a 10 degree Fahrenheit difference in the average annual minimum temperature. (The United States falls within Zones 2 through 10). For example, the lowest average temperature in Zone 2 is -50 to -40 degrees Fahrenheit, while the minimum average temperature in zone 10
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A The outer bark is the tree's protection from the outside world. Continually renewed from within, it helps keep out moisture in the rain, and prevents the tree from losing moisture when the air is dry. It insulates against cold and heat and wards off insect enemies. B The inner bark, or “phlo
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