Answer: It sounds like these iris are real survivors, so with a little care they should come back stronger than ever. You should be able to help them regain their beauty as the rhizomes regain their size within a year or two. Iris do best in a rich soil that is well drained, in a full sun location, and need to be kept weeded for best results. They also benefit from being separated every three to five years to avoid overcrowding, so moving them to freshly prepared soil was the best thing you could have done. Keep an eye out for any signs of borer or rotting so you can control them in the off chance that they might occur, and avoid mulching over the rhizomes. Apart from that, stand back and enjoy!
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