Yellow Flatsedge
Cyperus flavescens
- Native to:
- Afghanistan, Albania, Algeria, Angola, Azores, Baltic States, Bangladesh, Belarus, Belgium, Belize, Benin, Bermuda, Bolivia, Botswana, Brazil, Bulgaria, Burkina, Burundi, Cameroon, Canada, Central African Republic, Central American Pacific Is., Chad, Colombia, Congo, Corse, Costa Rica, Cuba, Czechia-Slovakia, Dominican Republic, DR Congo, East Aegean Is., Egypt, El Salvador, Eritrea, Eswatini, Ethiopia, France, Gabon, Gambia, Germany, Ghana, Greece, Guatemala, Guinea, Guinea-Bissau, Guyana, Honduras, Hungary, India, Iran, Iraq, Italy, Ivory Coast, Jamaica, Kazakhstan, Kenya, Kirgizstan, Kriti, Krym, Lebanon-Syria, Lesotho, Liberia, Madagascar, Madeira, Malawi, Mali, Mauritania, Mexico, Morocco, Mozambique, Namibia, Netherlands, Nicaragua, Niger, Nigeria, North Caucasus, NW. Balkan Pen., Pakistan, Palestine, Panamá, Poland, Portugal, Puerto Rico, Romania, Russia, Rwanda, Sardegna, Senegal, Sicilia, Sierra Leone, South Africa, Spain, Sudan-South Sudan, Switzerland, Tadzhikistan, Tanzania, Togo, Transcaucasus,
iNaturalist: © gretavalvonyte (iNaturalist #236899405)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Cyperaceae
- Genus:
- Cyperus
- Species:
- Cyperus flavescens
- USDA Symbol:
- CYFL
Growth Characteristics
- Life Cycle:
- Annual
- Growth Habit:
- Graminoid
- Height:
- 40 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- jun,jul,aug,sep,oct
- Bloom Colors:
- yellow, brown
Garden & Ecology Notes
- Wildlife Value:
- waterfowl, shorebirds
- Deer Resistant:
- Yes
Soil Requirements
- Soil Type:
- moist, sandy, nutrient-rich soil
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- Often found in wetlands and marshy areas
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–30 days
- Notes:
- Seeds germinate best in wet, muddy conditions with exposure to light. Surface sow and keep consistently moist.