Arlyn - I know to have my soil tested, and in this area the first thing the Extension service asks is have you added lime, and how much? This is because our soil is naturally acidic in this area and lime is so often needed. Garden lime is also said to help prevent rot. I have had to use lime, but think the soil probably needs more than what I have sprinkled on. I am getting things tested again this spring.
Thanks Tom. I had wondered if everyone worked all the fertilizer in. I am careful not to have it near the rhizomes, but did wonder if I could skip the troweling it into the soil around each iris. If I could just rake the soil and spread that would move things along quite a bit.
