Quality plant materials and expert craftsmanship coupled with over 20 years industry experience are combined to provide outstanding value for our Clients. "I guarantee you will be truly satisfied with the result of your project." Raymond A. Knoll, President KNOLL Landscape Services, Inc. Quality Plants Expert Craftsmanship Fantastic Value Guarantee Elegant Wall & Paver Projects The Knoll Landscape Services Difference: Plant Material - We use only top quality, pest free, locally grown plant material. Craftsmanship - Our experienced staff is trained in the most up to date methods. Value - Outstanding quality coupled with reasonable pricing are combined to produce Fantastic Value. Guarantee - All our plant material installations receive a free one year replacement guarantee.