I have placed structure and caught fish the next weekend, but with trees it takes a bit longer. They like them better after the needles die off and they get some goo growing on them. Might be a few months but dont be afraid to try them out right away. They may relate to them as current breaks or temperature breaks.
Some trees are sprayed with flame retardents, pesticides now too and that can put them off for a while too.
Three-fourths of the Earth's surface is water, and one-fourth is land. It is quite clear that the good Lord intended us to spend triple the amount of time fishing as taking care of the lawn. :rolleyes: