During the installation, our designers are on site to manage the project and ensure your satisfaction. Bison Nursery is licensed and insured. Our installation crews will complete the project. Our select contractors will complete any specialized requirements. Bison guarantees that the Delivery and Installation will be professional, courteous, on time and within budget. Care Instructions will be provided at the completion of your installation to ensure the long term success of your project. All trees and shrubs planted by Bison Landscapes are guaranteed for one year from the date of installation.