The Insider Guide to Chelsea Beyond the Flower Show

Chelsea is hardly a London hidden gem. The leafy Thames-side neighborhood has been the postcode of choice for royals and aristocrats since the early 16th century, and thanks to a certain reality TV show, the borough continues to draw a well-heeled crowd looking for strong tailoring and even stronger martinis. 

But every May, the RHS Chelsea Flower Show (May 19–23, 2026) transforms the neighborhood into London’s favorite garden party, with floral installations spilling…