Answer: Your calla lily won't require any support; as the stems and leaves continue to grow they will become more rigid and hold themselves upright. These plants grow from rhizomes which elongate as the plants mature. Eventually your single calla lily will develop into a group of calla lilies. Don't remove any of the sprouts, just allow them to grow. In a few years your planter will be full of plants which you can dig, divide and transplant. You can feed your calla with a half-strength dilution of liquid fertilizer every 2-3 weeks until it has finished blooming. Feeding containerized plants in this way ensures they have a constant supply of nutrients and eliminates the possibility of burning their roots by over applying granulated fertilizers.
Best wishes with your calla lily!
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