Lime Tree in Pot
What's a good fertiliser for lime trees?
Certified GKH Gardening Expert
Lime trees, whether in pots or the ground, typically require a nitrogen-rich fertilizer. However, to get optimal results, I would suggest using a balanced, slow release fertilizer for this plant. Here is an article that you may find helpful: https://www.gardeningknowhow.com/edible/fruits/citrus/fertilizing-citrus-trees-best-practices-for-citrus-fertilizing.htm