Around the Craponne Canal we find a rich and diverse flora. Before Raphèle, he irrigates the grasslands. Hedges, ash trees, oaks and poplars indicate the presence of water. "La Crau humide" allows the cultivation of Crau hay, fruit growing and market gardening. Then the water is always present in the landscape but it is the Rhône which sprinkles cereals and rice fields. Crau is also the last steppe in Western Europe. The coussoul, a stony steppe with arid character.