Plant Care Japanese Water Iris

Japanese Water Iris

Also known as

Beaked Iris, Japanese water iris, jade cicada-flower and sword-leaf iris

Taxonomy

Iris ensata
Iris
Iridaceae
Asparagales

How to care for Japanese Water Iris

💦 Water

How often to water your Japanese Water Iris

Water needs for Japanese Water Iris
0.5 cups
every 9

Japanese Water Iris needs 0.5 cups of water every 9 when it doesn’t get direct sunlight and is potted in a 5" pot.

Use our water calculator to personalize watering recommendations to your environment or download Greg for more advanced recommendations for all of your plants.

Calculate water needs of Japanese Water Iris

Water 0.5 cups every
9

Does your plant get direct sunlight?

Select the pot size

5"
☀️ Light

Finding light for Japanese Water Iris in your home

Light needs and placement for plant Japanese Water Iris: 1ft from a window
1ft or less from
a window

Japanese Water Iris love being close to bright, sunny windows 😎.

Place it less than 1ft from a south-facing window to maximize the potential for growth.

Japanese Water Iris does not tolerate low-light 🚫.

Select your region to see how the current weather in your area affects the placement of Japanese Water Iris in your home 🏡.

🪴 Nutrients

How to fertilize Japanese Water Iris

Nutrient, fertilizer, and repotting needs for Japanese Water Iris: repot after 2X growth

Most potting soils come with ample nutrients which plants use to produce new growth.

By the time your plant has depleted the nutrients in its soil it’s likely grown enough to need a larger pot anyway.

To replenish this plant's nutrients, repot your Japanese Water Iris after it doubles in size or once a year—whichever comes first.

💡 FAQs
💦 Water Needs

Japanese Water Iris prefers for the soil to dry out between waterings and should be watered regularly. Use our water calculator to personalize watering recommendations to your environment or download Greg for more advanced recommendations for all of your plants.


☀️ Sunlight Needs

Japanese Water Iris requires abundant, bright and direct light. Place it less than one foot from a window to ensure it receives enough light to survive 💪. Select your region to see how the current weather in your area affects the placement in your home 🏡.


🐶 🐈 👶 Toxicity

Greg does not have confirmed data on this plant’s toxicity. If you, a family member, or a pet consumes plant material of unknown toxicity, it’s always best to consult a medical professional.

If you or someone else ingested this plant, call Poison Control at US (800) 222-1222. If a pet consumed this plant, contact your veterinarian or the ASPCA at US (888) 426-4435.


🪴 Soil

Japanese Water Iris is very sensitive to dry soil, so choose a potting soil that retains moisture. A good soil will still drain well and contain lots of organic matter such as coco coir or sphagnum moss.


💩 Fertilizer

Japanese Water Iris should be repotted after it doubles in size or once a year, whichever comes first. Fresh potting soil has all the nutrients your plant needs, so as long as it’s refreshed yearly, you shouldn’t need to use fertilizer. Remember, plants get their energy from sunlight, not fertilizer!


🧐 Troubleshooting

When troubleshooting a sad-looking houseplant, start by checking for signs of distress in its leaves, such as yellowing, browning, or drooping, which can indicate overwatering or nutrient deficiencies.

Inspect the soil moisture; too dry or too wet soil can cause problems.

Ensure the plant is getting the right amount of light, as too much or too little can stress it.

Finally, consider environmental factors like temperature and humidity, and adjust care routines accordingly to revive your plant.


Care Summary for Japanese Water Iris

Japanese Water Iris

Japanese Water Iris


Greg recommends:

Water

0.5 cups every 9 days

Placement

< 1ft from a window

Nutrients

Repot after 2x growth

Based on the 4” pot your plant is in, and that it doesn’t get direct sunlight.

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