Economic Freeze: Cold Wave Brings Huge Citrus Loss The cold wave sweeping the nation has put the squeeze on the California citrus crop to the tune of Twenty-One Million! That's the loss to fruit frozen on the trees. 145,00 tons! Orange trees with frost on them. MS - A worker checks out the temperature on a special temperature gage reader for oranges. MS - Smudge pots burning fires to heat up the air around the trees. MSLU - Huge single blade fans used to heat up the air. MS - Oranges on a conveyor belt being fed into a truck. CUS - Open trailers are taking the fruit away for shipment to other plants.