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Also known as
Common Duckweed
Taxonomy
Lemna minor
Lemna
Araceae
Alismatales

How to care for Lesser Duckweed
How often to water your Lesser Duckweed

every 9
Lesser Duckweed 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 Common Duckweed in your home

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

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 Lesser Duckweed after it doubles in size or once a year—whichever comes first.
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not exactly a plant but i made my first water terrarium today!! i’m so impatient waiting for it to settle😫😫. i will be adding photos throughout the next few days as everything begins to settle:)
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Do I need to do anything? My duckweed has been growing like crazy and now takes up the whole top of my aquarium and is now starting to grow on top of itself. The aquarium holds shrimp and snails. Should I remove some of the plants? Or just let it be?
Care Summary for Lesser Duckweed
Lesser Duckweed
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.
