How to Winterize a Banana Tree Plant

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Banana trees bear fruit roughly 22 months after they're planted.

With its enormous arching leaves, a banana "tree" adds a tropical flavor to your backyard. Banana plants are actually not trees at all, but large shrub-like herbs with succulent, very juicy stems. Some banana species produce edible fruit, while others are ornamental. The edible banana plants require tropical or near-tropical climates, which means that they grow best in U.S.D.A. plant hardiness zones 10 and above. These plants need 10 to 12 months of frost-free conditions to bear a crop of bananas. Ornamental banana plants thrive in USDA zones 5B through 11.


When sited in appropriate regions and properly winterized, your banana plants can thrive for years, adding a touch of the tropics to your landscape.

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Winterizing Container-Grown Bananas in Cold Climates

Here's how to handle container-grown banana plants as winter approaches.


Step 1: Cut Back the Plant

Cut the banana plant to the ground with sharp garden shears after the first hard frost has damaged the leaves. If you don't remove the leaves, they will turn dark brown and begin to rot; the rot can spread to the roots and permanently damage your banana plant.

Step 2: Move to Shelter

Move the container to a sheltered location if possible, such as an overhang or a sunny location in your garage. This will protect your banana roots from cold, especially in places with extreme winters.


Step 3: Mulch and Wrap the Plant

Spread a thick layer of mulch over the soil in your banana plant's container. And wrap the pot in insulating material such as a tarp or bubble paper.

Winterizing Bananas Grown in Garden Beds

Step 1: Cut Back the Plant

Cut your banana plant's leaves to the ground. Banana trees produce new leaves from the root ball so this does not harm your plant.


Step 2: Mulch the Roots

Spread a thick layer of organic material such as peat moss over the ground around your banana tree. This will protect the root system from freezing temperatures and frequent frost/thaw cycles.

Step 3: Cover the Ground

Cover the mulch with a plastic tarp to protect the banana tree's root system from fluctuating temperatures. The cover will prevent early thaws, which can saturate the peat moss with moisture and cause the roots to rot. Secure the tarp against winds with large rocks or an additional layer of mulch.



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