When François Boucher created a series of paintings known as “The Four Seasons” in 1755, agriculture in France was highly seasonal. In good years, autumn would have seen a bounty of grapes and apples and pears; spring would have brought tender greens, asparagus, and peas; summer, its abundance of berries, grains, and vegetables. These days, it can be easier to notice seasonal change by the appearance of Starbucks’ annual pumpkin spice offerings than by the sight of a pumpkin in a field. This year, on the cusp of pumpkin spice season, the Frick Collection has unveiled a site-specific installation by Flora Yukhnovich (flora_yukhnovich) that responds to Boucher’s “The Four Seasons” with a Rococo exuberance that honors its source material while asserting its place in our current moment. Housed in the museum’s Cabinet Gallery, the four-paneled mural covers the room the way wallpaper might, accommodating windows, doorframes, and the wood paneling ensconced along the perimeter. To read the...