We finally bought our own home and in the spring I planted many citrus trees. While it is obvious when the lemons and oranges are ripe, my Tahitian lime has many limes, but I have no idea as to when they are ripe for picking.
Certified GKH Gardening Expert
If you have never had a lime tree, it can be hard to tell. This article will help you: https://www.gardeningknowhow.com/edible/fruits/lime/lime-tree-harvest-time-when-to-pick-a-lime-from-a-tree.htm