Alphabetical Plant Listing

Iris laevigata (Water Iris)

Water Iris, Rabbit-Ear Iris, Japanese Iris, Smooth Iris


The most aquatic of all irises, Iris laevigata, commonly known as Water Iris, is a rhizomatous perennial with striking three petalled, rich royal blue flowers, 3-4 in. wide (8-10 cm), adorned with broad pendant falls exhibiting a white central ridge and slightly narrower, upright standards. On display from late spring to early summer, this Iris flowers in abundance and may repeat bloom. The beauty of the flowers is equalled by the unique lime-green foliage, consisting of sturdy clumps of erect, sword-shaped leaves. Very handsome in and out of bloom, Iris laevigata has been long admired both in writings and in the garden.

  • Graceful and vigorous, this strong performer is easy to grow and low maintenance!
  • Most spectacular when planted in large groupings where it develops a bouquet effect and rises up to 30 in. (75 cm). Clumps will spread steadily over time.
  • Performs best in full sun or part shade, in acidic, moist to wet, humus-rich soils. For maximum flower production, provide full sun exposure and a site with 2-8 in. of water over its soil (5-20 cm). Tolerates some lime.
  • A welcomed addition to beds, borders, cottage gardens, city gardens, near streams or ponds, where it will provide excellent color contrast.
  • Cut back after flowering.
  • Attractive to hummingbirds, but ignored by deer!
  • Ingestion may cause severe discomfort.
  • Native to temperate Asia

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Requirements

Hardiness 5 – 9
Heat Zones 1 – 9
Climate Zones 1A, 1B, 2A, 2B, 3A, 3B, 4, 5, 6, 7, 8, 9, 10, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Plant Type Perennials
Plant Family Iris - Other
Exposure Full Sun, Partial Sun
Season of Interest Spring (Late)
Summer (Early)
Height 2' – 3' (60cm – 90cm)
Spread 1' – 2' (30cm – 60cm)
Spacing 18" – 24" (45cm – 60cm)
Water Needs Average
Maintenance Low
Soil Type Clay, Loam
Soil pH Acid, Neutral
Soil Drainage Moisture Retentive, Poorly Drained
Characteristics Showy
Tolerance Clay Soil, Deer, Wet Soil
Attracts Hummingbirds
Garden Uses Beds and Borders, Ponds and Streams
Garden Styles City and Courtyard, Informal and Cottage

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paylessimages / 123RF Stock Photo

While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.


Requirements

Hardiness 5 – 9
Heat Zones 1 – 9
Climate Zones 1A, 1B, 2A, 2B, 3A, 3B, 4, 5, 6, 7, 8, 9, 10, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Plant Type Perennials
Plant Family Iris - Other
Exposure Full Sun, Partial Sun
Season of Interest Spring (Late)
Summer (Early)
Height 2' – 3' (60cm – 90cm)
Spread 1' – 2' (30cm – 60cm)
Spacing 18" – 24" (45cm – 60cm)
Water Needs Average
Maintenance Low
Soil Type Clay, Loam
Soil pH Acid, Neutral
Soil Drainage Moisture Retentive, Poorly Drained
Characteristics Showy
Tolerance Clay Soil, Deer, Wet Soil
Attracts Hummingbirds
Garden Uses Beds and Borders, Ponds and Streams
Garden Styles City and Courtyard, Informal and Cottage

Great Plant Combination Ideas with Iris - Other

Guides with Iris - Other

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