Whispers in the WillowsLevel 5 Uncommon

Your words are absorbed into the bark of a nearby tree, then quickly travel by root and earth to a friend.

Fey Magic Gift        1,000 gp

Utility Power ✦ Encounter (Standard Action)

Effect: You utter a phrase of no more than twenty words to a tree adjacent to you. Then choose another tree you have seen on the same plane. When any creature of your choice moves adjacent to the chosen tree within the next 24 hours, the tree repeats your message to that creature.

Published in Heroes of the Feywild, page(s) 143.