Want the Best Arborvitae Fertilizer? 5 of the Best (that Work)
https://www.thegreenpinky.com/best-fertilizers-arborvitae/
WEBSep 19, 2020 · Arborvitae, particularly when they’re young, require fertilizers that are high in nitrogen. The typical N-P-K ratio that I recommend for evergreen trees is about 3-1-1. With nitrogen in high ratios, it allows your tree to have healthy growth and it is recommended that you use a fertilizer like this for at least the first 5 years of its life.
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