Inadequate sunshine, insufficient watering and overcrowding can cause a bearded iris to lack flowers. In addition, being planted too deep or getting too much nitrogen will prevent flower growth. More »

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Gardeners should cut back an entire bearded iris plant in the fall. However, after the first set of flowers dies in early summer, a gardener should cut the stalks at the base of the plant to encourage new blooms. More »

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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. More »

Garden Guides advises gardeners to fertilize a reblooming iris with a 6-10-10 mixture, after the first bloom. Prune the iris between blooms, cutting the stalks all the way to the base. Do not remove the leaves. Divide th... More »

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The African iris, also called butterfly iris or fortnight lily, is a group of six plant species in the genus Dietes. They were reclassified from Moraea because they spread by rhizomes. Five Dietes species are native to t... More »

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Some common types of flowers include daisies, geraniums, daisies, hydrangeas, iris and violets. In addition, roses, lavender, sunflowers, tulips and morning glories are frequently cultivated varieties of flowers. More »

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A successful method of dividing irises is to dig up the iris clumps with a spade or garden fork, gently lifting and shaking each clump to remove excess soil. All leafless, soft and rotting tubers are discarded, and the r... More »

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