Our cold-hardy banana tree needs particular care, but under the right conditions, it is a fine ornamental specimen tree in the warmer zones.
It does not like harsh winters with deep, sub-zero temps, but it will tolerate -20 degrees if properly mulched. At 40 degrees, it stops growing; at 28, leaves die back and the tree can be pruned to 2-3 feet tall; at -40, it dies back to the ground.
In warmer zones, it can grow 2 feet a week. When it reaches about 10 feet or when it has 35 or so leaves, it can bear fruit; matures at 12-15 feet, with a similar spread.
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