The Q&A Archives: no flowers

Question: I have iris' that are growing and multiplying nicely but they are not flowering, why?

Answer: Iris can stop blooming when they are overcrowded. Late this summer you can dig and divide your iris to give each enough elbow room to grow without competition. Carefully dig the rhizomes out, cut or break off the ends to replant, and discard the old centers. Cut the foliage and the roots back to about six inches. Then amend the bed with plenty of organic matter and place the tops of the rhizomes so they're just at or slightly below the soil surface. Water them in well. To help keep weeds down, lay 3-4 inches of mulch over the top of the soil surface. Next spring your iris should bloom beautifully for you. Enjoy!

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