
Greater Duckweed
Taxonomy
Lemna polyrhiza
Lemna
Araceae
Alismatales

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

every 9
Greater Duckweed needs 0.5 cups of water every 9 when it doesnāt 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 Greater Duckweed in your home

a window
Greater Duckweed love being close to bright, sunny windows š.
Place it less than 1ft from a south-facing window to maximize the potential for growth.
Greater Duckweed does not tolerate low-light š«.
Select your region to see how the current weather in your area affects the placement of Greater Duckweed in your home š”.
How to fertilize Greater 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 itās likely grown enough to need a larger pot anyway.
To replenish this plant's nutrients, repot your Greater Duckweed after it doubles in size or once a yearāwhichever comes first.
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not exactly a plant but i made my first water terrarium today!! iām so impatient waiting for it to settleš«š«. 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 Greater Duckweed
Greater Duckweed
Greg recommends:

0.5 cups every 9 days

< 1ft from a window

Repot after 2x growth
Based on the 4ā pot your plant is in, and that it doesnāt get direct sunlight.
