For a bustling metropolis with plenty of concrete jungle and a sky-high architecture, London is surprisingly lush and verdant — did you know, for instance, that an astounding 45 percent of Greater London is dedicated to gardens? Victoria Summerley’s book, Great Gardens of London, offers an insider view to these floral escapes, detailing the city’s impressive variety — from gardens high above the city (Kensington Roof Gardens) to private paradises (Ormeley Lodge) to the world renown (Chelsea Physic Garden). Below, Summerley’s list of gardens open to the public. Bookmark it for your next trip and don’t forget to check out Great Gardens of London to see these botanical wonderlands in their full splendor.