Landscaping Peterborough’s home, cottage, and business landscaping 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 are professional landscapers and our 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. Peterborough has voted us a 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 landscaper and garden centre, our customers experience an enjoyable journey as their project comes to life. We carry a wide selection of landscaping materials and gardening supplies. We strive to ensure your project is completed exactly to your preferences. Contact us today to discuss your property and its needs maintenance needs.