Melt butter with the oil in a medium saucepan over medium heat. Add shallots and celery, and cook, stirring often, until soft, about 3 minutes. Add 2 tablespoons parsley, the sage, fennel seeds, and chile, and cook 1 minute. Stir in farro, stock, and wine, and bring to a boil. Season with 1 teaspoon salt.
Reduce heat to low; cover, and cook until farro is tender and liquid has been absorbed, about 30 minutes.
Stir in orange segments, pine nuts, and remaining 1/4 cup parsley. Season with salt and pepper.