Iris Plants

Bearded Iris

Anonymous added on June 25, 2015 | Answered

Bearded Iris have not bloomed for three seasons. Advice on what to do with them, dig them up, etc.

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Certified GKH Gardening Expert
Answered on June 26, 2015

The most common reason for irises failing to bloom is overcrowding. Dividing and transplanting them usually helps. In addition, it can be attributed to poor pollination. Try to entice pollinators (bees, butterflies, etc.) to the area with brightly colored flowers. Here is an article that you may find helpful:

Also, use a fertilizer higher in phosphorus or even a phosphorus only amendment, like bone meal, to get them to bloom. This article will help you:

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