Spotless Watermeal (Wolffia Arrhiza) is a perennial aquatic in the Araceae family with easy care difficulty. It requires aquatic watering and full sun light in USDA hardiness zones 7-11. This plant is safe for cats and dogs. It can be grown indoors.

Wolffia arrhiza is a tiny aquatic flowering plant, known as one of the smallest flowering plants in the world, belonging to the family Araceae.

Spotless Watermeal

Spotless Watermeal

Wolffia Arrhiza

Wolffia arrhiza is a tiny aquatic flowering plant, known as one of the smallest flowering plants in the world, belonging to the family Araceae.

Quick Facts

Type
aquatic
Lifecycle
perennial
Care Difficulty
Easy
Water Needs
aquatic
Light
Full Sun
Hardiness Zones
7-11

Safety

🐕
Pet Safe
👶
Child Safe
Non-Toxic

Growing Conditions

Soil Types:aquatic
Indoor:Yes
Outdoor:Yes
Garden Use:groundcover, oxygenation, nutrient uptake, habitat provision

Care Calendar

Monthly care tasks for Spotless 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

Spotless Watermeal
Spotless Watermeal detail

View leaf details, flowers, seeds & more in the app

Taxonomy

Family:Araceae
Genus:Wolffia