Rolls-Royce has employed many wild embroidery techniques on previous Bespoke creations, but the Phantom Cherry Blossom uses one the company hadn't done before: three-dimensional sculptural embroidery.

Spring session: The next session at the San Francisco School of Flower Design runs March 8-31. Classes are 1-4 p.m. and 6-9 p.m. Mon.-Wed. Fee for the four-week course is $1,800.