"Kew" refers to Kew Gardens, which is a UNESCO World Heritage site located in London, England. Kew Gardens is a botanical garden that is known for its extensive collection of plants from around the world, as well as its historical and scientific significance. It is a popular tourist attraction and a place of research and conservation.
Note: The provided meaning of the answer is for the latest New York Times crossword puzzle clue: London's ___ Gardens. Explanations are generated by AI and may be inaccurate.