
American Spongeplant
Also known as
frog's-bit and frogbite
Taxonomy
Limnobium spongia
Limnobium
Hydrocharitaceae
Alismatales

How to care for American Spongeplant
How often to water your American Spongeplant

every 9
American Spongeplant 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
Finding light for American Spongeplant in your home

a window
American Spongeplant may have difficulty thriving, and will drop leaves 🍃, without ample sunlight.
Place it less than 3 feet from a south-facing window to maximize the potential for growth.
Select your region to see how the current weather in your area affects the placement of American Spongeplant in your home 🏡.
How to fertilize American Spongeplant

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 Spongeplant after it doubles in size or once a year—whichever comes first.
Care Summary for American Spongeplant
American Spongeplant
Greg recommends:

0.5 cups every 9 days

< 3ft from a window

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