Most everyone knows that we use proteins, carbohydrates and fats for energy. Calories are measurement of a unit of heat or food energy. For example, we can achieve four calories per gram of proteins and carbohydrates, and nine calories per gram from fats.
Tree Variety. Virginia pine (Pinus virginia) is the major Christmas tree species for the acidic soils found in East Texas. A grower can produce a 6- to 8-foot Virginia pine Christmas tree in 3 to 5 years, depending on soil and climatic conditions.
Christmas cactus can be kept outdoors in summer in a shaded spot. The Christmas cactus (Schlumbergera bridgesii) is a native of Brazil but is grown widely as a winter-flowering houseplant. In nature, it grows as an epiphyte in shady tropical rain forests.he Christmas cactus (Schlumbergera bridgesii) is a native of Brazil but is grown widely as a winter-flowering houseplant. In nature, it grows as an epiphyte in shady tropical rain forests.