From carrot flowers to potting soil made of concrete waste – could local, organic and eco-friendly bouquets be the future of floristry? In France, nine out of 10 flowers are imported, but that's starting to change. After decades of being overshadowed by the Netherlands, fierce global competition and strict regulations, the country's flower industry is bouncing back. We met with French florists, farmers and scientists who are behind a blooming revolution to revive "les fleurs françaises".