Why do blue spruce trees turn green?
The tree produces the wax on its needles (that creates the blue color) in spring and early summer. The wax can wear off over a rough winter or erode by wind, hot sun, pouring rain and other types of exposure. Poor nutrition can also be one of the reasons wax diminishes and blue spruce turn…
The tree produces the wax on its needles (that creates the blue color) in spring and early summer. The wax can wear off over a rough winter or erode by wind, hot sun, pouring rain and other types of exposure. Poor nutrition can also be one of the reasons wax diminishes and blue spruce turn green.Click to see full answer. Likewise, what do you feed a blue spruce tree?I suggest feeding spruce trees with a slow-release shrub & tree type fertilizer or a natural, organic plant food. After planting, lightly sprinkle a slow-release shrub & tree type fertilizer beneath and just beyond the canopy of your spruce tree. Keep the granules well away from the plant’s trunk area.Subsequently, question is, what kills blue spruce trees? Gall adelgids. Adelgids are small insects that feed on shoots by sucking plant sap. Spruce spider mites. Spruce spider mites cause needle discoloration and eventually kill needles, which can be mistaken for a needlecast disease (Photo 7). Then, how do you know when a blue spruce is dying? The appearance of small black spots, premature needle loss and a thinning canopy can be signs of Rhizosphaera needle cast. The infectious fungal disease starts near the base of the tree and spreads upward. A seriously sick blue spruce has purple or brown needles, dead branches and bald spots.Do spruce trees change color?Some color changing in conifer plants takes place in the spring. The red-tipped Norway spruce, for example, puts out bright red new growth every spring. Acrocona spruce produces stunning purple pine cones. Other conifers start green in the spring, then change to yellow in the summer.
