Answer: I think a soil test is in order. Azaleas grow best in acidic soils and the iron should have helped green up the foliage. Coffee grounds are a source of nitrogen and epsom salts a source of magnesium. Try of foliar spray of an acidified fertilizer such as Miracid and have your soil tested so you know what you're working with. A soil test will identify missing or excessive minerals as well as pH. Good luck with your azaleas!
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