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homeguides.sfgate.com/irises-bloom-40651.html

Irises often do not bloom because they are growing in too much shade. Most varieties need at least six hours of sunlight a day to bloom. Transplant irises to a sunny location or prune shrubs and ...

www.reference.com/home-garden/iris-flowers-bloom-5b4aa156c5808bf0

When Do Iris Flowers Bloom? Most iris flowers bloom in the late spring or early summer, though some hybrid varieties are remontant and may bloom again in late summer. The Old Farmer's Almanac recommends planting irises in mid- to late summer.

www.gardeningknowhow.com/ornamental/bulbs/iris/iris-plants-not-flowering.htm

When iris do not bloom, you still have beautiful foliage but the long waited for flowers refuse to appear. Frustrating as this is, it is generally something that can be fixed and flowers will appear the following year. There are many reasons for irises not blooming well, but what about why irises won’t bloom at all?

www.bhg.com/gardening/flowers/perennials/how-to-grow-reblooming-irises

Reblooming irises grow faster than regular irises, so you'll need to divide them more often. To prevent overcrowding, divide reblooming iris every two to three years, but take only the outside rhizomes of the plant; leave the healthy older portions of the plant intact.

www.reference.com/home-garden/long-irises-bloom-772f97af5320047a

How Long Do Irises Bloom? Irises typically bloom for one to three weeks during the spring and summer months. Planting a varied selection of early blooming, mid-blooming and late-blooming iris species can extend the overall blooming period up to eight weeks.

www.almanac.com/plant/irises

So, the Irises in my yard traveled from Stanwood to Chehalis to Edmonds and back to Stanwood, over a period of 85 years! They still bloom and are deep purple and pure white with a bit of yellow in the center. I really hope your Irises do well and bring you lots of pleasure!

www.hunker.com/13427052/how-to-get-an-iris-to-bloom

Overcrowded iris plants compete for moisture, nutrients and sun, which often results in poor or weak flowering. Get the irises to bloom by digging up the roots and dividing them. Irises need to be divided every three or four years. Dig up the rhizomes after flowering and rinse them off with water.

www.wikihow.com/Get-Irises-to-Bloom

How to Get Irises to Bloom. Irises (Iris spp.) come in a variety of sizes, shapes, flower colors and blooming season. If you have irises that are more than one year old and they are not blooming, there are a few possible causes which can...

answers.yahoo.com/question/index?qid=20080515111403AAuvE7T

Best Answer: It should be a few weeks. Normally they bloom in early to mid-June, but I have a rebel iris in my yard that insists on blooming right now, and many of my others have buds on them, too. A lot of spring flowers have been early this year. Irises do best in full sun, so if you have a sunny hillside ...

www.irises.org/About_Irises/Cultural Information/Grow_Bearded.html

Irises require at least a half-day (6-8 hours) of direct sunlight. Some afternoon shade is beneficial in extremely hot climates, but in general irises do best in full sun. Iris will grow in deep shade, but probably not flower. Provide your irises with good drainage. A raised bed or planting on a slope are ideal places to plant iris.