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} The blue spruce tree's slow growth makes it mostly intolerant to heavy pruning. In order to promote a positive response, the blue spruce must have enough time to repair itself before entering its dormant period. Always complete this tree's pruning during the late winter or early spring months, just before the onset of its growing season.
While evergreens such as blue spruce don't require extensive pruning -- the plant doesn't grow continuously and doesn't require much maintenance -- it's best to prune blue Kensington MD in the later winter months before the shrub's growing season.
Avoid pruning during the wet or warm season to limit the likelihood of diseases. Step 1. Colorado spruce (Picea pungens) is commonly called blue spruce for the pale-blue cast of its needles. Blue spruce provides winter interest as well as shelter for birds and animals. It grows slowly, eventually reaching a mature height of 60 feet or more.
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Like most conifers, it needs little to no pruning. Sep 21, The blue spruce does not need pruning for artificial shaping, as it has a naturally pleasing shape already; instead, it is usually pruned to remove diseased limbs.
Wait until the winter months to prune a healthy tree. This minimizes the amount of sap that the tree will"bleed" and protects the tree from bugs and disease.