American Watermilfoil
Also known as
Siberian water-milfoil, shortspike watermilfoil, American water-milfoil, common water-milfoil, northern spiked water-milfoil, northern water-milfoil, pale water-milfoil, short-spiked water-milfoil, spiked water-milfoil and whitish water-milfoil
Taxonomy
Myriophyllum sibiricum
Myriophyllum
Haloragaceae
Saxifragales
How to care for American Watermilfoil
How often to water your American Watermilfoil
every 9
American Watermilfoil 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 Watermilfoil in your home
a window
American Watermilfoil love being close to bright, sunny windows 😎.
Place it less than 1ft from a south-facing window to maximize the potential for growth.
American Watermilfoil does not tolerate low-light 🚫.
Select your region to see how the current weather in your area affects the placement of American Watermilfoil in your home 🏡.
How to fertilize American Watermilfoil
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 Watermilfoil after it doubles in size or once a year—whichever comes first.
Care Summary for American Watermilfoil
American Watermilfoil
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.