My Kaffir Lime Tree Has Orange On The Underside Of The Leaves

Question

It’s never had it before, it’s not powdery and it has lots of new growth.

Answer 1

Unfortunately, your photos did not come through. I am unable to diagnose the situation fully. I will say that this sounds like scale. This insect will devastate your tree if so. Here is an article that can help:

https://www.gardeningknowhow.com/edible/fruits/citrus/controlling-citrus-scale.htm

This article will help you with Kaffir lime trees:

https://www.gardeningknowhow.com/edible/fruits/lime/care-of-your-kaffir-lime-tree.htm

This collection of articles will offer more information on the care of citrus trees:

https://www.gardeningknowhow.com/edible/fruits/citrus