My plum and pear tree are full of ants. How can i get rid of them?
The ants are all over the branches and leaves. How can i get rid of them?
This is usually due to an aphid infection. Ants farm aphids as "pets" so this is usually an indication that there is an aphid issue that needs to be controlled. This article will help: https://www.gardeningknowhow.com/plant-problems/pests/insects/homemade-aphid-control.htm