Re: Horse Manure Question

Depends on your soil.  Iris don't need large amounts of nitrogen, but in
some region there is basically no nitrogen in the soil that is available.
Generally the problem with low nitrogen availability has to do with low
organic content or soil chemistry that binds nutrients.   If you have an
"average" soil, that will grow things like corn and beans well without
fertilizer, you probably don't need to add nitrogen to your Iris, at least
for a few years.  Always good to get soil tested.  Scotts will do a good
job of it, but it costs quite a bit (don't remember how much - shouldn't
break the bank though).

This from somebody who has been in a new place since 1998, and hasn't yet
gotten his soil tested.

Dave

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