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.
Dwarf Alberta spruce trees are classified as evergreen conifers. USDA Plant Hardiness Zones for Dwarf Alberta Spruce Trees: Dwarf Alberta spruce trees can be grown in zones 3-8.Characteristics: Dwarf Alberta spruce trees may eventually reach 12 feet in height, but only over a long period of time (growing just 2-4 inches per year). They have a classic Christmas tree shape.The green needles have a tight, densely-packed growth habit that gives dwarf Alberta spruce trees a fuzzy look.haracteristics: Dwarf Alberta spruce trees may eventually reach 12 feet in height, but only over a long period of time (growing just 2-4 inches per year). They have a classic Christmas tree shape. The green needles have a tight, densely-packed growth habit that gives dwarf Alberta spruce trees a fuzzy look.