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Iris japonica (Fringed Iris)

Fringed Iris, Japanese Iris, Fan Iris

AGM Award
Iris japonica, Fringed Iris, White Iris, White Flowers, Bicolor Iris, Bicolor Flowers, Japanese Iris,  Fan Iris

Iris japonica (Fringed Iris) is an evergreen rhizomatous perennial with white or pale blue, orchid-like flowers, up to 2 in. across (5 cm), adorned with deep purple and conspicuous orange crests on each fringed fall. Blooming profusely in late spring to early summer, they are borne on branched stems and rise above handsome fans of glossy, sword-shaped, evergreen foliage. Useful under trees, attractive in rock gardens or in flower beds, Fringed Iris works well as a container plant too.

  • Recipient of the prestigious Award of Garden Merit of the Royal Horticultural Society.
  • Grows up to 10-12 in. tall (25-30 cm) and 12-18 in. wide (30-45 cm). Naturalizes well and spreads by creeping rhizomes without being invasive.
  • Performs best in part shade, in moist, humus-rich, soils. Some tolerance to full shade. Provide a sheltered site.
  • A welcomed addition to beds and borders, rock gardens, and containers.
  • Deer resistant.
  • No serious insect or disease issues but watch for slugs, snails, thrips, and gray molds.
  • Remove any dying foliage in autumn, old flower stems can be cut down after flowering.
  • Propagate by seed sown in pots in a cold frame in autumn or spring. Propagate by division of rhizomes from midsummer to early autumn
  • All parts may cause discomfort if ingested. Wear gloves and other protective equipment when handling.
  • Toxic to dogs, toxic to cats, toxic to horses.
  • Native to China, Japan

Irises: How to Grow and Care with Success


Want to learn how to grow and care for irises like a pro? Follow these simple steps and enjoy the beauty of these striking plants

Requirements

Hardiness 7 - 9
Heat Zones 7 - 9
Plant Type Perennials
Plant Family Iridaceae
Genus Iris other species
Common names Iris, Japanese Iris
Exposure Partial Sun
Season of Interest Spring (Late)
Summer (Early)
Height 10" - 1'
(25cm - 30cm)
Spread 1' - 2'
(30cm - 60cm)
Spacing 18" (50cm)
Maintenance Average
Water Needs Average
Soil Type Clay, Loam
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moist but Well-Drained, Poorly Drained
Characteristics Cut Flowers, Plant of Merit, Showy, Evergreen
Tolerance Deer
Garden Uses Beds And Borders, Patio And Containers
Garden Styles Gravel and Rock Garden
How Many Plants
Do I Need?
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Alternative Plants to Consider

Iris virginica var. shrevei (Southern Blue Flag)
Iris latifolia (English Iris)
Iris lactea (Milky Iris)
Iris chrysographes (Gold-Marked Iris)
Iris macrosiphon (Long Tubed Iris)
Iris hexagona (Dixie Iris)

Find In One of Our Guides or Gardens

Native Plant Alternatives to Iris pseudacorus (Yellow Iris)
Irises: How to Grow and Care with Success
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.
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Requirements

Hardiness 7 - 9
Heat Zones 7 - 9
Plant Type Perennials
Plant Family Iridaceae
Genus Iris other species
Common names Iris, Japanese Iris
Exposure Partial Sun
Season of Interest Spring (Late)
Summer (Early)
Height 10" - 1'
(25cm - 30cm)
Spread 1' - 2'
(30cm - 60cm)
Spacing 18" (50cm)
Maintenance Average
Water Needs Average
Soil Type Clay, Loam
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moist but Well-Drained, Poorly Drained
Characteristics Cut Flowers, Plant of Merit, Showy, Evergreen
Tolerance Deer
Garden Uses Beds And Borders, Patio And Containers
Garden Styles Gravel and Rock Garden
How Many Plants
Do I Need?
Guides with
Iris Species
Not sure which Iris Species to pick?
Compare Now

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