Tree roots surrounded by ant infestation

Question

We planted a chanticleer pear tree on my front lawn in honour of my mom in April 2013.
It is not thriving and has hardly grown.
I realized the whole area around half the tree has a seriously large ant colony living (and working!)
What do you suggest I do?

Answer 1

Ants can be a huge problem, especially if a large colony is living among the roots.

These articles will help:

https://www.gardeningknowhow.com/plant-problems/pests/insects/how-to-control-ants-in-lawns.htm

https://www.gardeningknowhow.com/edible/fruits/pear/growing-pear-trees.htm

https://www.gardeningknowhow.com/edible/fruits/pear/fixing-pear-tree-problems.htm