Two juicy red apples in a warm summer evening.

By September 15, 2017Articles

Two juicy red apples in a warm summer evening.

By September 15, 2017Articles

Two juicy red apples in a warm summer evening.

By Teo Spengler Apple trees (Malus domestica) have a chilling requirement. This refers to the amount of time they must be exposed to cold temperatures in the winter in order to produce fruit. While the chilling requirements of most apple cultivars make them unlikely to grow in warmer regions, you’ll find some low chill apple trees. These are the appropriate apple varieties for zone 9. Read on for information and tips for growing apples in zone 9. Low Chill Apple Trees Most apple trees require a certain number of “chill units.” These are the cumulative hours that winter temperatures drop to 32 to 45 degrees F. (0-7 degrees C.) during the winter. Since U.S. Department of Agriculture plant hardiness zone 9 has relatively mild winters, only those apple trees requiring a lesser number of chill units can thrive there. Remember that a hardiness zone is based on the lowest annual

Two juicy red apples in a warm summer evening.

By Teo Spengler Apple trees (Malus domestica) have a chilling requirement. This refers to the amount of time they must be exposed to cold temperatures in the winter in order to produce fruit. While the chilling requirements of most apple cultivars make them unlikely to grow in warmer regions, you’ll find some low chill apple trees. These are the appropriate apple varieties for zone 9. Read on for information and tips for growing apples in zone 9. Low Chill Apple Trees Most apple trees require a certain number of “chill units.” These are the cumulative hours that winter temperatures drop to 32 to 45 degrees F. (0-7 degrees C.) during the winter. Since U.S. Department of Agriculture plant hardiness zone 9 has relatively mild winters, only those apple trees requiring a lesser number of chill units can thrive there. Remember that a hardiness zone is based on the lowest annual

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