Propagation of Hardy Banana Plants
Hardy bananas propagate by seed or division. Seeds are difficult to germinate but readily available from a variety of seed companies. Divisions from established plants are more reliable and grow quickly. Does this Spark an idea?
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Seed
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Banana seeds have a hard outer shell, are in deep dormancy and require specific temperatures to sprout. Use sandpaper to lightly abrade each seed on all sides. Place the seeds in a cup, pour simmering water over them and soak for two to three days. Heat, moisture and abrasion break down the seed coat. Put the banana seeds in a plastic bag filled with peat moss and place on a heat mat during the daytime. Remove the bag to a cool area at night to alternate temperatures and break seed dormancy. Check the bag for signs of sprouting after two to three weeks of this treatment. Banana seed germination is unpredictable even with the right methods, so expect only one third to sprout.
Division
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Banana plants produce sprouts from the base that you can remove from the main trunk and pot. Divide plants in late spring or early summer for maximum growth. Dig gently to separate a sprout and reserve at least some roots.
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Care
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Seed grown and divided hardy bananas require the same care. Pot in rich soil composed of composted steer or chicken manure and mix in perlite to improve drainage. Place the plants in a shallow tray filled with an inch or two of water during the hot summer months. Juvenile hardy bananas in pots need winter protection during the first two years such as a sunny outbuilding, shed or greenhouse that does not freeze.
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References
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