At this year's RHS Chelsea Flower Show , award-winning garden designer Matt Keightley will unveil three gardens - not surprising, considering he has been there, and done this before at the show. But this time, these designs were created using AI. Each of the three gardens - a compact urban terrace, a restorative rural retreat and a nature-led woodland garden – were designed using Spacelift, a new subscription-based AI app developed by Keightley that aims to make garden design accessible to all. It already has 9,000 people on the waitlist, says the company. But the use of AI in garden design is a touchy subject in the industry, and the launch of the app and appearance of these gardens at the show has created a backlash from some garden designers, and the professional body that represents them, the Society of Landscape and Garden Designers (SGLD).…