Iris do not bloom

2 summers ago we purchased a house a this is the second year that a row of Iris come up and only produce Leaves no blooms? What can we do to help promote blooms? Pat
Submitted by BHGPhotoContest

Hi Pat,

Thanks for writing. Are your iris in full sun? If not, I'd definitely move them to a sunny spot --- they need at least 6 hours of direct light to bloom well.

Are your iris crowded? If so, I'd divide them. These vigorous plants can get to the point where they crowd themselves out and stop blooming.

Do you know what kind of iris they are? If they're the tall bearded kind with fleshy, potato-like rhizomes, make sure you can see the rhizomes a bit through the soil. They don't like to be covered up too much.

Thanks for writing. I hope this helps!

--Justin, Senior Garden Editor, BHG.com


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