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What you need:
  • Bareroot Bearded Iris
  • Trowel
  • Sand
  • Evergreen boughs
To flower well, Bearded Irises need full sun (6 hours of direct sun a day or more) and well-drained soil. After choosing an appropriate location, dig a wide, shallow hole and set the thick, hard rhizome inside, with the fan of leaves up, pointed in the direction you want the plant to grow.
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Push soil back into the hole, supporting the rhizome with one hand to keep it at the proper level. In most parts of the country, the top of the rhizome should be at or slightly above soil level. In the Deep South and the Southwest, the set the top of the rhizome about " below the surface. Firm the soil around the rhizome and water thoroughly.
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In cold-winter climates, newly planted Bearded Irises may be heaved out of the ground in late winter. The soil begins to thaw on sunny days, then refreezes at night, pushing the plant up and out of the soil. To prevent frost heave, cover the rhizomes with 1-2" of sand and a light layer of evergreen boughs after the ground freezes in late fall. Remove this winter protection when the forsythias and daffodils bloom in spring.