Rootless Duckweed, Watermeal
Wolffiaarrhiza

Family: Araceae (a-RAY-see-ee)
Genus: Wolffia (WOLF-ee-a)
Species: arrhiza (ar-REEZ-uh)

Synonym:Bruniera vivipara

Synonym:Horkelia arrhiza

Synonym:Lemna arrhiza

Synonym:Lenticula arrhiza

Synonym:Wolffia delilii

Category
Ponds and Aquatics

Water Requirements
Very high moisture needs; suitable for bogs and water gardens

Sun Exposure
Full Sun

Foliage
Grown for foliage
Evergreen
Smooth

Foliage Color

Height
under 6 in. (15 cm)

Spacing

Hardiness
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)

Where to Grow

Danger

Bloom Color
Pale Green
White/Near White
Inconspicuous/none

Bloom Characteristics

Bloom Size

Bloom Time

Other details

Soil pH requirements

Patent Information

Propagation Methods

Seed Collecting