Lela Rose rolled up to her Resort lookbook shoot on a two-speed bike. Attached to the back was a vintage pull cart full of flowers she was bringing home for a dinner party for 45 people the following night. Similar blooms in neon colors inspired by abstract expressionist artist Joan Mitchell showed up on a silk shift dress that was the highlight of Rose's collection. Other looks—a party frock with lots of layered tulle and embroidery, a midi-length petticoat skirt with a blown-up horsehair pattern—could prove tricky for many customers. But there were also more approachable items here, including highlighter yellow trousers with a no-frills fit as well as a versatile organza piece that could double as either an anorak or a shirtwaist dress.