The Q&A Archives: Mansonary Lime

Question: I have some left over masonary lime, would it be OK to spread on my lawn and landscaping gardens to decrease the acid level in the soil?

Answer: I am not certain what you are calling masonary lime, so perhaps the general information about lime listed below will be helpful in answering your question. Also, it is a good idea to run some basic soil tests before liming to make sure that it is truly needed and to verify how much to use and the number of applications needed to achieve the desired results. Lime's effect lasts for quite a while so it is always a good idea to test the soil before adding lime. Your county extension (921-8803) should be able to help you with the tests and interpreting the results. They may also be familiar with the type of lime you have on hand.

Limestone is usually used to raise the pH although it can
also help improve soil structure. Quicklime is not usually
recommended for garden use and hydrate of lime usually
dissolves so quickly that it is of limited value in the garden and
may burn plant roots. Ground limestone is what is most
commonly used in the garden (and lawn) and is available in
powdered or pelleted form. Pelleted lime is less dusty and can
be easier to apply. There are two types available: dolomitic
and calcic. Dolomitic contains some magnesium which makes
this trace element available to plants as well.

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