Answer: Citrus trees are not easy to grow as house plants. They need very bright light in the winter along with cooler than normal room temperatures, and then should be placed outside for the summer. Instead, you might try a Ficus benjamina for an indoor tree. These do well in bright indirect light and can be indoors year round. (They sometimes undergo a transition period and may lose some foliage when moved to their new location, but will recover and should do well thereafter.) Or, you might look into using a tiered shelf with several smaller containers on it, using a plant such as English ivy which is very easy to grow and long lived. The ivy will trail down gracefully as well as twine upward so the overall effect can be one of extensive greenery. And, if you are wanting to bring the plant home now, it is much easier to insulate and protect smaller plants from cold while being transported. I hope this gives you some ideas.
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