Answer: If you work quickly, you might be able to save the stem. Place the broken areas together and wrap tightly with some waterproof material such as florist's tape. (It's like masking tape, but is treated to be waterproof.) Once you've wrapped the reattached parts together, place a straight stick or bamboo stake along the stem to keep the wounded area straight, and tape it securely to the stem, both top and bottom. You won't know for a few months whether your emergency treatment will fix the problem. In the meantime, water your plant as you normally would. At the end of the summer, gently remove the stake and the wrapping around the injury. If the wound has calloused over, you can leave the wrapping off. If it's still knitting together, replace the tape and the stake to provide support for a few more months. Best wishes with your plant!
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