It’s no secret: The English adore their gardens. And this month, the most enthusiastic, including Queen Elizabeth II and the Duke and Duchess of Cambridge , can be seen in their element at the world-famous Chelsea Flower Show in London .

The Chelsea Flower Show (which has, since 1913, been the Royal Horticultural Society’s main event) is scheduled to return to London on May 23–27. There, 157,000 people will be admitted to admire the billions of blooms, which are bound to include the nation’s flower, the Tudor rose. The collection on view is unmatched: Flora from around the world flourish in grand-scale installations (the premier “show gardens” as well as the “artisan gardens” and the “fresh gardens”) and in a 2.9-acre pavilion, where 100-plus exhibitors will show their best.

Tom Harfleet, the show manager for the RHS Chelsea Flower Show, says, “RHS Chelsea is the world’s most prestigious flower show and staple of the horticultural calendar. Nowhere makes gardening more fashionable than Chelsea; with a catwalk of color and creativity, the brightest new ideas, the latest plant trends, and the pinnacle of garden design, this show is one the world wants to see."

This season, the main attraction is Nigel Dunnett’s “Greening Grey Britain” garden: an embodiment of the RHS mission to “green” the nation with plants (especially in small urban areas). Other exhibitions include sponsor M&G’s garden (which was designed by James Basson, who has won two consecutive RHS gold medals) as well as Royal Bank of Canada’s garden (which is decorated, as Canada is, with birches and pines).

BBC has collaborated with RHS to present “Feel-Good Gardens,” named for its Radio 2 presenters. The roster includes the Chris Evans Taste Garden, featuring the most delicious plants in the U.K., and the Jo Whiley Scent Garden, featuring aromas from scent-designer Jo Malone.

A sketch of the Daphne’s 2017 installation.

But the festivities for this flower-centric scene aren’t restricted to the grounds of the Royal Hospital Chelsea, a home for the Chelsea Pensioners (former members of the British Army). RHS’s friends in the area welcome this annual occasion with a passion—and a poshness. The neighborhood restaurant Daphne’s , for example, has called on Lizzie Powell to enhance its entrance with rainbow-colored roses as it serves an in-theme menu with edible flowers.

Gabriele Esposito, the G.M. at Daphne’s, exults: “Tickets for Chelsea Flower Show are, quite simply, gold dust! The show in the Royal Borough is a ‘must’ on the U.K. social calendar, not only for the public but also for designers and brands—not to mention the Queen. Lizzie and her team at Studio Early Hours flowers will turn Daphne’s into a gorgeous floral tribute to Chelsea, with the restaurant’s summery Italian colors making the perfect setting for this.”