When Does an Iris Bloom?
The iris is a common perennial blooming plant that grows under a wide variety of climate and soil conditions. The flowers are available in a variety of colors and are commonly propagated by splitting the bulbs or roots of the plant. This splitting of the rhizome is performed after the blooming period with the split roots planted as soon as possible. Does this Spark an idea?
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Spring Blooms
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All varieties of iris bloom in the spring. Look for the first flowers as early as April, depending on climate and variety. The spring bloom can occur as late as June for some varieties or in Northern areas with long winters. The iris is among the earliest flowers trailing only tulips and daffodils for early spring garden color.
Blooming Process
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Iris buds form on top of elongated stems. Bud development may take a few days while the flower opening process lasts about 12 hours. The flowers last about three days before fading and drying up.
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Reblooming Iris
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Some iris plants have a second blooming process later in the season. These are referred to as reblooming or repeat blooming irises. These flowers also bloom in the spring but can develop a second set of flowers sometime in the summer or fall. In some cases, these blooms can continue late into the fall. While the flowers are often not as colorful as the spring bloom, they can be more aromatic.
Iris Care for Reblooming
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Deadhead -- clip flowers that have matured and started to dry -- all flowers from the spring bloom. Continue to water the plant through the summer rather than letting the plant go into a semidormant state as is common with standard iris plants. One of the advantages of the reblooming iris is its tolerance of shade during the summer. This allows the plant to be planted under a deciduous tree, which allows full light to strike the iris in the spring when leaves are sparse and have shade during the summer.
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References
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