Star Duckweed (Trisulca)

The Star Duckweed (Trisulca) is generally described as a perennial forb/herb. This is native to the U.S. (United States) has its most active growth period in the summer . The greatest bloom is usually observed in the late spring, with fruit and seed production starting in the summer and continuing until summer. Leaves are not retained year to year. The Star Duckweed (Trisulca) has a short life span relative to most other plant species and a rapid growth rate.

The Star Duckweed (Trisulca) is easily found in nurseries, garden stores and other plant dealers and distributors. It can be propagated by sprigs. Note that cold stratification is not required for seed germination and the plant cannot survive exposure to temperatures below -38°F. has none tolerance to drought and restricted water conditions.

Plant Basics
Growth Rate Rapid
General Type Forb/herb
Growth Period Summer
Growth Duration Perennial
Lifespan Short
Plant Nativity Native to U.S.
Commercial Availability Routinely Available
Physical Characteristics
Bloom Period Late Spring
Displays Fall Colors No
Shape/Growth Form Stoloniferous
Drought Tolerance None
Shade Tolerance Intolerant
Height When Mature 0.3
Vegetative Spread Moderate
Flower Color Green
Flower Conspicuousness No
Fruit/Seed Abundance None
Fruit/Seed Seasonality Summer Summer
Seed Spread Rate None
Gardening Characteristics
Propagations (Ways to Grow) Sprigs
Moisture Requirements High
Cold Stratification Required No
Minimum Temperature -38
Toxic to Nearby Plants No
Toxic to Livestock No
After-Harvest Resprout Ability No
Responds to Coppicing No
Growth Requirements
pH Range 5.7–7 pH
Precipitation Range 0–0 inches/yr
Planting Density 4800–11000 indiv./acre
Minimum Frost-Free Days 145 day(s)
Salinity Tolerance None
CaCO3 Tolerance Low
Sustainability & Use
Leaf Retention No
Fire Resistant Yes
Causes Livestock Bloating None

Source: USDA, NRCS, PLANTS Database,
National Plant Data Center, Baton Rouge, LA 70874-4490 USA