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Josh's Frogs

Duckweed - Lemna minor (4 oz. cup)

Live Arrival Guarantee


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Quantity Available: 12

About This Product

Species Name: Lemna minor

Common Name: Duckweed

Defining Characteristics: 

  • Small, oval-shaped leaf no more than 1/4 inch long
  • Floats on the surface of water
  • Often used in ponds & aquariums

Tank Position: Surface

Josh's Frogs offers a wide variety of aquarium and fish supplies for all of your aquatic needs.


Temperature Requirement (°F): 40-90°

Growing Conditions: Free-floating 

Lighting Low - Moderate

pH requirements: 6.0 - 8.5

CO2 Requirements: Low 

Growth Rate: Very Fast 

Height: N/A 

Origin: North America 

Regional Locality: Worldwide distribution in ponds or slow-moving habitats

USDA Hardiness Zone: 4-10

Suggested Animal Terrarium/ Vivarium Use:


  • Frogs & Toads ✔
  • Lizards & turtles ✔
  • Aquatic Set-ups ✔

Care Notes: Multiplies very rapidly—needs to be thinned out periodically, especially if growing other types of plants or feeding flake foods to fish, etc. Makes a great treat for goldfish and aquatic turtles.

Shipping Notes: As a good practice, Josh's Frogs recommends washing all plants thoroughly and removing as much soil as possible with dechlorinated water before placing them in their final home. 

  • Generous LIVE ARRIVAL GUARANTEE offered
  • Not guaranteed snail-free
  • Comes in a 4 oz. cup


This product ships to your doorstep. Most orders placed before 2pm ET on business days will ship out the same day.

Import/export restrictions on this product require that it can only be shipped to destinations within the United States.

Restrictions on this product that prohibit shipping to the following states: HI.

Live Arrival Guarantee

This product is covered under our Live Arrival Guarantee. If your insect/animal does not arrive in good health, we'll make it right, provided the following criteria are met:

  • If shipped Two Day, the temperature experienced during shipping must remain between -20 and 120 °F.
  • If shipped Next Day, the temperature experienced during shipping must remain between -40 and 120 °F.
  • If shipped Ground, the temperature experienced during shipping must remain between 20 and 85 °F.

You'll be notified during the checkout process if your purchase qualifies for our guarantee.

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