An example of dia used as a prefix is in the word diagnosis, which means a thorough analysis of a disease. dia- through, throughout, across: diachronic, diagram
Blue spruce evergreen trees (Picea pungens) grow wild in Western North America in U.S. Department of Agriculture plant hardiness zones 3 through 8. This erect tree produces blue-green evergreen needles that are sharp to the touch. Blue spruces reach 30 to 65 feet tall, spreading 10 to 20 feet wide. With good care this slow-growing tree can grow up to 12 inches per year. Blue spruce trees grow well as showcase trees or as part of a windbreak. Examine the location of the blue spruce tree while it is still young enough to transplant.
Pine trees reach a range of mature sizes that depends on the species. The dwarf mugo pine (Pinus mugo pumilio) grows to a mature size of 4 feet tall, while slash pines (Pinus elliottii) reach 100 feet. White pines reach up to 150 feet tall, growing only 8 to 12 inches a year, when planted in favorable environments.As a group, pine trees are long-lived conifers. Most varieties live over a century when growing in favorable conditions. Bristlecone pine trees are known to live at least 4,800 years.he dwarf mugo pine (Pinus mugo pumilio) grows to a mature size of 4 feet tall, while slash pines (Pinus elliottii) reach 100 feet. White pines reach up to 150 feet tall, growing only 8 to 12 inches a year, when planted in favorable environments.