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The Plant Guide

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Iris spuria

Iris spuria

EYE-riss SPUR-ee-ah

This beardless iris is one of the tallest growing. It is available in a wide range of flower colors and blooms from late spring to mid-summer. These irises are tall like Japanese irises but have upright flowers and bloom later than the tall bearded ones.

Noteworthy CharacteristicsTall; wide range of flower colors; later bloom than bearded irises.

CareWell-drained soil in full sun to part shade. Most require a dry summer dormancy, alkaline soil, and high fertility.

PropagationSow seed in a cold frame in fall. Lift and divide clumps and replant immediately in early autumn.

ProblemsIris borer, verbena bud moth, whiteflies, iris weevil, thrips, slugs, snails, aphids, nematodes. Bacterial leaf blight and soft rot, crown rot, rhizome rot, leaf spot, rust, viruses, and scorch can occur.

  • Genus : Iris
  • Plant Height : 3 to 6 feet
  • Zones : 6, 7, 8, 9
  • Plant Width : 6 to 12 inches
  • Bloom Time : Early Summer, Late Spring, Spring, Summer
  • Light : Full Sun to Partial Shade
  • Moisture : Medium Moisture
  • Growth Rate : Moderate
  • Maintenance : Moderate
  • Plant Type : Perennials
  • Characteristics : Showy Foliage
  • Plant Seasonal Interest : Spring Interest
  • Flower Color : White, Yellow

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