Though the state is deficient in food grains, it has gained a lot in other spheres of agricultural production such as seed potato, ginger, vegetables, vegetable seeds, mushrooms, chicory seeds, hops, olives and fig. Seed potato is mostly grown in the Shimla, Kullu and Lahaul areas. Special efforts are being made to promote cultivation of crops like olives, figs, hops, mushrooms, flowers, pistachio nuts, sarda melon and saffron. Solan is the largest vegetable producing district in the state. The district of Sirmaur is also famous for growing flowers, and is the largest producer of flowers in the state.