You might not think about watering your plants during the winter but it can mean life or death for your new trees in spring. You can water anytime that the ground isn’t frozen. Focus your watering efforts to trees and shrubs planted in the last five years. Find more information in the Post Rock Answers article:
https://www.postrock.k-state.edu/lawn-garden/newspaperarticle/post-rock-answers-winter-watering.pdf By: Cassie Thiessen