How long is commercially-packaged bone meal good?

I have a package of bone meal from a couple of years ago which hasn’t been opened. Should it still be good to use when I repot my iris rhizomes?

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1 Comment To "How long is commercially-packaged bone meal good?"

#1 Comment By Downtoearthdigs On 09/09/2016 @ 7:10 pm

As long as the bag or product is sealed and does not get wet it will last with no issues.

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