Posted: 22/04/2016 at 19:23
Fresh manure needs to be left for a few months to rot down Alex, unless you're putting it onto an empty bit of ground which you don't intend planting up for a while. If it's well rotted you can use it straight away though.
I'm confused about the 'hay'. Has someone suggested using that or have I misunderstood?
Iris need good drainage unless they're the sibirica type which like a bit of moisture. If you have the little reticulata ones which flower in late winter/early spring, they won't do well in wet soil, so best to add loads of grit for those, and the big,blousy bearded summer flowering ones needs lighter soil and loads of sun. Do you know which ones you have? The little ones do well in pots too