Iris ensata Japanese water iris (Iridaceae)

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Iris ensata
Japanese water iris
(1 Page of 5)

The Iris ensata plant species is found in E. Asia - China, Japan, Korea, Siberia. It is a member of the Iridaceae family. Common gardeners may know the plant as Japanese water iris. Some home gardeners know the variety as I. kaempferi. I. lactea.

Cultivation | Propagation | General Uses
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Latin Name:  Iris ensata
Common Name:  Japanese water iris
Family:  Iridaceae
Author:  Thunb.

Known Hazards:  Many plants in this genus are thought to be poisonous if ingested, so caution is advised[65]. The roots are especially likely to be toxic[238]. Plants can cause skin irritations and allergies in some people[238].

Mature Height:  0.6   Mature Width:  1

Habitat:  Dry sandy plains near lakes, meadows, clay-solonetz places in steppes and solonetz meadows[74]. Marshes, ditches and wet grassy places[187].

Cultivation Notes: Prefers a light well-drained soil and a sunny position[42]. Prefers partial shade[188]. Likes plenty of moisture and a rich loamy slightly acid soil[79, 200]. Requires a lime-free soil[233]. Some cultivars, in particular the 'Higo' strain, tolerate a pH up to 7.4[200]. Plants can be grown in containers in pond margins but are then best kept in drier conditions over winter[200]. This species is hardy to about -20°c[187]. Cultivated for its root in Japan[2]. (for the starch). There are many named varieties, selected for their ornamental value[187, 200]. Members of this genus are rarely if ever troubled by browsing deer or rabbits[233].

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Cultivation | Propagation | General Uses
Medicinal | Edible Uses

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