An elegant moisture-loving iris with large flat-faced blooms in shades of purple, blue and white over slender upright foliage. Loves wet ground in spring and summer but prefers drier feet in winter.
At a glance
- Plant type: Aquatic plant
- Mature size: 90 cm H × 50 cm W
- Aspect: full sun and part shade or morning sun
- Water: wet or boggy ground
- Frost: hardy
- Maintenance: moderate maintenance
- Origin: Exotic
About Japanese Water Iris
Iris ensata is a moderate-growing aquatic plant in the Iridaceae family. It reaches around 90 cm tall and 50 cm wide at maturity, with deciduous foliage. Purple, blue and white flowers appear in spring and summer.
Where to grow Japanese Water Iris
Japanese Water Iris suits warm-temperate and cool-temperate climates and grows best in full sun and part shade or morning sun. It is frost hardy and shrugs off cold winters.
Soil & planting
Japanese Water Iris does best in clay and acidic soil. Plant into well-prepared ground, firm the soil around the roots and water deeply to settle it in.
Watering & feeding
Japanese Water Iris is adapted to wet or boggy ground. Apply a balanced fertiliser in spring to support healthy growth. Check moisture below the mulch during establishment and water thoroughly when needed rather than following a rigid schedule.
Pruning & care
Prune Japanese Water Iris after flowering to keep it compact and encourage the next flush of blooms. Its ongoing care level is moderate maintenance.
Using Japanese Water Iris in the garden
Japanese Water Iris earns its place for a feature or specimen planting and cut flowers for the vase.
Companion planting & design
Build the planting around neighbours suited to the same wet or boggy ground and warm-temperate climate as Japanese Water Iris. Repeating the foliage or flower colour nearby will make the composition feel deliberate.
Buying Japanese Water Iris
Plant Sale lists Japanese Water Iris as potted plants. Use the interest form above to check current sizes, pricing and availability before ordering.
