Answer: When you say 'small' I assume you mean you have the dwarf variety. It can grow 6-8 feet tall and wide, so it will need a fairly large container. The container should be at least 2-3 feet deep, as the root system will grow that deep, and as wide. Use a potting mix for containers which has some combination of perlite, pumice or vermiculite, which will be lightweight and have good drainage. You might consider putting the container up on wheels to move it around, if that is a factor. Citrus are heavy feeders and need to be fertilized regularly. I recommend you buy a citrus fertilizer and follow package instructions. Most full-service nurseries will carry citrus fertilizer.
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