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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...

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

Irises are one of the easiest flowers to grow. They stem from rhizomes, which quickly multiply over the years, producing bigger, wider stands of these appealing blooms. When you notice iris plants not flowering, the cause can stem from a variety of issues including weather, soil fertility ...

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.

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

2. Improve sunlight conditions. 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.

www.flowershopnetwork.com/blog/iris-refuses-to-bloom-a-deep-resentment

Ask the Expert: Why wont my Iris bloom? My Iris’ get great green leaves but I fail to get a bud, which in turn I don’t get a bloom? Mary Ann. Share this: Click to print (Opens in new window) Click to email this to a friend (Opens in new window) Click to share on Facebook (Opens in new window)

www.almanac.com/plant/irises

Learn everything you need to know about growing irises, including how to plant them, how to grow and care for iris flowers, and how to transplant iris bulbs in this growing guide from The Old Farmer's Almanac.

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.wikihow.com/Grow-Iris

Irises are perfect for beginner gardeners and experienced green thumbs alike! The hardy flowers are not difficult to grow and do well in a wide range of climates, being relatively drought-tolerant and low maintenance. When it blooms, the Iris's flowers are gorgeous, ranging in hue from the common purple shade to patterned white and yellow.

homeguides.sfgate.com/grow-african-irises-38818.html

Remove weeds from around the African iris by manually pulling them out of the ground and disposing of them. Weeds steal nutrients and water the African iris needs to grow strong and healthy.