What causes my indoor lime tree’s leaves to curl upward?

Question

Lime tree – indoor plants with leaves that have curled upwards along their entire length. There are about 5 small limes that have set and are growing.

Answer 1

There are a number of possible causes - check out this article for possibilities: https://www.gardeningknowhow.com/edible/fruits/citrus/curling-citrus-leaves.htm