Landscaping Peterborough’s home, cottage, and business landscape designers. Trusted by our community for over 20 years! Johnston’s Greenhouse has built a strong reputation for quality landscaping across Peterborough & the Kawarthas of which we are very are proud. We provide professional landscaping services including custom gardens, natural stone creations, retaining walls, decks, fences, and ponds. For the greatest effect and a lasting impression, landscaping should be designed by professional landscapers. We have been graciously voted as Peterborough’s favourite landscape company numerous times over the years, an honour we do not take lightly, and we continue our commitment to providing the best possible service and landscapes. As a full service landscaping and garden centre, our customers experience an enjoyable journey as their project comes to life. Our wide selection of landscaping materials and gardening supplies ensure your project will be completed exactly to your preferences. Contact us today to discuss your landscaping and property maintenance needs.