I have recently moved into a new home with several iris clumps and they did not bloom well or in some cases at all. how do i encourage them to bloom? they are well situated in the garden and I have watered them adequately. I think they were starved of water in previous seasons. Are they planted too deep or need fertilizer or soil ammendments?

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1 Answer

I have ires over 20 yrs old, same problem, successful move.

They stop blooming when roots are congested.  Need about 6-8" between plants.

Thin the area, can transplant excess if you wish.  Roots are shallow tubular in shape.

Timing fall or early spring.  Plant in about 1-2" of soil.
by (540 points)

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