Common Duckweed

Lemnaminor

Family
Araceae (a-RAY-see-ee)
Genus
Lemna (LEM-nuh)
Species
minor (MY-nor)
Synonym
Hydrophace minor
Lemna cyclostasa
Lemna minima
Lemna monorhiza
Lemna ovata
Sun Exposure
Sun to Partial Shade
Foliage
Grown for foliage
Smooth
Height
under 6 in. (15 cm)
Hardiness
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
USDA Zone 11: above 4.5 °C (40 °F)
Danger
Seed is poisonous if ingested
Pollen may cause allergic reaction
N/A
Bloom Color
Pale Green
Bloom Time
Other Details
Category
Ponds and Aquatics
Water Requirements
Very high moisture needs; suitable for bogs and water gardens
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
Patent Information
Non-patented
Propagation Methods
Seed Collecting
Allow unblemished fruit to ripen; clean and dry seeds
Regional

This plant is said to grow outdoors in the following regions:

Clayton, California

Fairfield, California

Glendale, California

Bartow, Florida

Panama City Beach, Florida

Melbourne, Kentucky

Oakland, Maryland

Millers Creek, North Carolina

Cincinnati, Ohio

Hulbert, Oklahoma

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Featured Videos

Gardener's Notes:

2
positives
2
neutrals
0
negative
Sort By:
Sort By:
W
W
Hulbert, OK (Zone 7a) | August 2009 | positive

We have multiple tubs of Lotus out back which are often
brimming with tadpoles. The Duckweed makes great
fodder for the lit...Read More

F
Kimberly, AL | September 2008 | positive

As long as you contain it to you pond , It is GREAT FOOD for koi and goldfish, our fish LOVE it, and so do aquatic snails,and tadpoles. I...Read More

M
Bartow, FL (Zone 9a) | June 2004 | neutral

This tiny flowering plant is commonly found in ponds all over central Florida. It often forms a carpet of green on small bodies. It is ...Read More

B
B
Baa
| September 2001 | neutral

Tiny, aquatic, free floating plants found throughout Europe. Has a small plate like body 1.5 - 5mm across rounded in shape. Beneath the...Read More

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