Garden Centre Quality plants & gardening supplies paired with expert advice. Sourcing your plants and gardening supplies from a quality garden centre is essential to your planting success. We are proud to offer high-quality plants and gardening supplies paired with expert advice to help our customers bring their garden ideas to life. That’s what makes the difference between Johnston’s garden centre and other garden retailers. Large Selection, Friendly Staff, Happy Customers Johnston’s garden centre is set up in a way that provides an easy shopping experience to novice gardeners and new home owners, all the way to experienced gardeners with big plans. Everything is easy to find and if you’re not quite sure what you’re looking for, our staff are always happy to help. As a family run business in Peterborough, our staff are active gardeners in the community that share practical advice to help build your perfect garden.