Answer: Anything is possible? There are many home recipes for houseplant care, so apparently this is yet another. In my experience they seem to do best with a good soil mix, a mineral-rich water and some compost and/or houseplant fertilizer from time to time. All that, combined with the right lighting, the proper draining mix, a good watering routine and well-timed repotting should do the trick. I suspect she may be following all the steps I have mentioned with the exception of the fertilizer.
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