Iris. The iris is a plant that grows well in Paris. Known for its showy purple and yellow blooms, the bearded flower, known as the fleur-de-lis, is also the national symbol of France, according to The Flower Expert.Irises grow best in USDA hardiness zones 4 to 10 and require full to partial sunlight.ther Plants. According to The Flower Expert, numerous other species of plants grow in Paris. Gourdon flowers are small, native purple wildflowers found in the city's park and surrounding countryside. Gardeners use Gourdon flowers much like ornamental ivy, growing on and around walls.