Lime near Blue Spruce #173339 - Ask Extension


Lime near Blue Spruce #173339

Asked April 05, 2014, 5:39 PM EDT

I would like to spread Lime on my lawn. At what distance would it be safe for my Blue Spruce trees?

Lebanon County Pennsylvania

Expert Response

Soil acidity or alkalinity, referred to as its pH, is a major consideration for most landscape plants, but it is not as important for blue spruce as it is for many other trees. The ideal pH for blue spruce is between 6.0 and 7.5, but this tree can tolerate soil ranging from highly acidic to highly alkaline.  If you are not sure of the soil PH around the spruce tree then it might be wise to limit the application of the lime to areas outside the drip line of the tree to limit any increase in the alkalinity of the soil which could prevent the uptake of essential minerals to the root system.  Thank you, 

Rick Bentz Replied April 07, 2014, 9:27 PM EDT

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