Answer: If the rhizomes, "rabbit's feet," have covered the surface of the potting soil, it's time to repot. Use a wide, shallow pot, sometimes called an azalea pot in the trade. Make sure the pot is no more than an inch larger in diameter than your original pot. Pot it at the same level as it was potted before, i.e. make sure the soil is at the same level. Use a rich, organic potting mix, preferably one specialized for ferns. Good luck!
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