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Bulbs, Perennials, Weeds > Iris > Iris japonica > Iris japonica

Iris japonica


Shaga, Japanese Crested Iris, Japanese Iris




Origin:  Temperate and tropical Asia.
Family
Iridaceae
Genus
Iris
Species
japonica
Category
Bulbs, Perennials, Weeds
Synonyms
Evansia chinensis, Evansia japonica, Iris chinensis, Iris fimbriata, Moraea fimbriata
USDA Hardiness Zone
7a - 10b
Canadian Hardiness Zone
Requires cold season protection under glass.
RHS Hardiness Zone
H6 - H2
Temperature (°C)
-17.7 - 1.7
Temperature (°F)
0 - 35
Height
30-45 cm
Spread
30-45 cm
Photographs
Description and Growing Information
Flowering Period
MayJune
Landscape
Excellent ground cover in areas where it is winter hardy.
Cultivation
Grown in medium moisture, well-drained soils in full to part shaded areas.
Shape
Upright.
Growth
Medium
Habitat
A woodland iris that is native to forest margins and wet grasslands in Japan and China.
Leaf Description
Thin, semi-glossy, sword-shaped basal leaves 25 - 40 cm long, and grow in fans with downward arching tips.
Flower Description
Pale blue to white with yellow crests.
Colour Description
Medium green to deep green foliage and stems. Pale blue to white with yellow crests blooms.
Texture Description
Smooth.
Notable Specimens
Trebah Garden Trust, Mawnan Smith, Falmouth, Cornwall, United Kingdom.
Propagation
Seed or division of rhizomes.
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