







American Water Plantain
About American Water Plantain
American Water Plantain is a super rare houseplant 🌿 that needs regular watering to thrive. They do best in long-lasting, direct light ☀️ and should be less than 1 foot from a window.
American Water Plantain likes soil that is good at retaining moisture. Your plant shouldn't need added fertilizers if you repot each time it doubles in size.
Taxonomy
Alisma subcordatum
Alisma
Alismataceae
Alismatales

How to care for American Water Plantain

How often to water your American Water Plantain

every 9
American Water Plantain 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.
Water 0.5 cups every
9

Check the growing potential in your area
A plant's growing potential is determined from its location, the time of year, and current local weather.

Select a city to check sunlight intensity

Finding light for American Water Plantain in your home

a window
American Water Plantain love being close to bright, sunny windows 😎.
Place it less than 1ft from a south-facing window to maximize the potential for growth.
American Water Plantain does not tolerate low-light 🚫.
Select your region to see how the current weather in your area affects the placement of American Water Plantain in your home 🏡.

How to fertilize American Water Plantain

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 American Water Plantain after it doubles in size or once a year—whichever comes first.

American Water Plantain 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
American Water Plantain 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
American Water Plantain 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
American Water Plantain 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!
Growth Pattern
American Water Plantain grows vertically and new growth will emerge from the top of the plant.
Care Summary for American Water Plantain
American Water Plantain
Greg recommends:

0.5 cups every 9 days

< 1ft from a window

Repot after 2x growth
Based on the 4” pot your plant is in, and that it doesn’t get direct sunlight.
