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,

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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.