Columbian Watermeal (Wolffia Columbiana) is a perennial aquatic in the Araceae family with easy care difficulty. It requires aquatic watering and full sun or partial shade or full shade light in USDA hardiness zones 4-10. This plant is safe for cats and dogs. It can be grown indoors.

Wolffia columbiana is a tiny, free-floating aquatic plant known as Columbian watermeal, considered one of the smallest flowering plants on Earth.

Columbian Watermeal

Columbian Watermeal

Wolffia Columbiana

Wolffia columbiana is a tiny, free-floating aquatic plant known as Columbian watermeal, considered one of the smallest flowering plants on Earth.

Quick Facts

Type
aquatic
Lifecycle
perennial
Care Difficulty
Easy
Water Needs
aquatic
Light
Full Sun, Partial Shade, Full Shade
Hardiness Zones
4-10

Safety

🐕
Pet Safe
👶
Child Safe
Non-Toxic

Growing Conditions

Soil Types:loamy, silty, other
Indoor:Yes
Outdoor:Yes
Garden Use:groundcover for water surfaces, oxygenation, wildlife habitat

Care Calendar

Monthly care tasks for Columbian Watermeal

Jan
Prune
Feb
Fertilize
Mar
Repot
Apr
Water+
May
...
Jun
...
Jul
...
Aug
...
Sep
...
Oct
...
Nov
...
Dec
...

Expert Care Tips

Pro tips from botanists and plant experts

Watering Tip

Check soil moisture by inserting your finger 1 inch deep. Water only when the top layer feels dry to prevent overwatering.

Humidity Trick

Group plants together to create...

Growth Hack

Rotate your plant every...

Photo Gallery10+ photos

Columbian Watermeal
Columbian Watermeal detail

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Taxonomy

Family:Araceae
Genus:Wolffia