Full one year replacement warranty for any tree we plant. Optional one year Customer Participation Warranty (50/50 share in replacement costs) available on all trees at time of purchase. Arbor Hills agrees to replace any tree or shrub we have planted if it fails within one year of planting unless other wised noted. This limited warranty is for a one time replacement of similar size (tree/shrub) and variety subject to availability. The Arbor Hills limited warranty applies only if the respective trees and shrubs were properly maintained and watered in accordance with our watering guidelines. Click here for Arbor Hills Watering Guidelines. This limited warranty is voided if the tree or shrub fails due to improper use of chemicals, over or under watering, Acts of God (floods, extreme winter or summer conditions) or mechanical or animal caused injury to the plants or trees.. Customer planted or wholesale direct purchased trees or shrubs are not warranted by Arbor Hills. Any unpaid invoices automatically void any replacement warranty.