Indoor Lime Tree Not Fruiting: Light and Pollination Limits

Why No Fruit?

Citrus needs intense direct sun for flowering/fruiting—indoors, even south windows provide one-sided, reduced light.
Chicago winters have short days; artificial light helps but rarely suffices.
Seed-grown trees are often sterile.

If flowers appear, hand-pollinate (no bees indoors).

Enjoy as foliage plant; fruiting indoors is highly unlikely.

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