Plant Care American pondweed

American pondweed

About American pondweed

American pondweed is a super rare houseplant 🌿 that is isn’t challenging to grow and needs regular watering to thrive. They do best in long-lasting, direct light ☀️ and should be less than 1 foot from a window.

American pondweed belongs to the elodea genus, and is native to North America.


Elodea canadensis

Also known as

American waterweed, Canadian waterweed and Pondweed

How to care for American pondweed


How often to water your American pondweed

Water needs for American pondweed
0.5 cups
every 9

American pondweed needs 0.5 cups of water every 9 when it doesn’t get direct sunlight and is potted in a 5" pot located in Madison, Wisconsin.

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 American pondweed

Water 0.5 cups every

Does your plant get direct sunlight?

Select the pot size


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.

Plant care guide for American pondweed in Madison, Wisconsin

Madison, Wisconsin

39% Low

Growing American pondweed in Madison right now

Light needs for plant American pondweed in Madison, Wisconsin

Plant growth potential is currently very low 📉

November 27th, 2021

Sunlight intensity as measured by “net radiation” in Madison is currently very low 📉.

The availability of high quality sunlight in your home impacts ability for plants to thrive and is key in dete…

Read more

Light needs for plant American pondweed in Madison, Wisconsin

Sunlight intensity will decrease by 34.6% ☀️

November 27th, 2021

Madison is trending towards lower sunlight intensity!

The amount of sunlight in Madison is expected to decrease by 34.6% over the next 2 weeks to an average of 5.7 megajoules of energy per m2 per …

Read more

Light needs for plant American pondweed in Madison, Wisconsin

Daylight will decrease by 1.4 hours 📉

November 26th, 2021

This month, Madison is getting an average of 7.8 hours of clear sky sunlight per day.

Hours of daylight will decrease by 13.5% over the next two weeks. Your plants will get 8.9 total hours of dayl…

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Finding light for American pondweed in your home

Light needs and placement for plant American pondweed: 1ft from a window
1ft or less from
a window

American pondweed love being close to bright, sunny windows 😎.

Place it less than 1ft from a south-facing window to ensure it receives enough light to survive during this time of reduced sunlight intensity in Madison, Wisconsin ⛅.

American pondweed does not tolerate low-light 🚫.


How to fertilize American pondweed

Nutrient, fertilizer, and repotting needs for American pondweed: 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 American pondweed after it doubles in size or once a year—whichever comes first.

Difficulty Level

American pondweed is generally easy to care for, though some plant parents report facing challenges with growing it. Check out the reviews down below to read more about their experiences!

Water Needs
Sunlight Needs
Growth Pattern
Growing Outdoors

Care Summary for American pondweed

American pondweed

American pondweed

Greg recommends:


0.5 cups every 9 days


< 1ft from a window


Repot after 2x growth

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

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