Threelobe Beggarticks

Bidens tripartita

Native to:
Afghanistan, Albania, Algeria, Austria, Baltic States, Belarus, Belgium, Bulgaria, Canada, China, Corse, Czechia-Slovakia, Denmark, East Aegean Is., Finland, France, Germany, Greece, Hungary, India, Iran, Iraq, Ireland, Italy, Japan, Jawa, Kazakhstan, Kirgizstan, Korea, Krym, Lebanon-Syria, Nansei-shoto, Nepal, Netherlands, New Guinea, North Caucasus, Norway, NW. Balkan Pen., Pakistan, Palestine, Philippines, Poland, Portugal, Romania, Russia, Sardegna, Sicilia, Spain, Sweden, Switzerland, Tadzhikistan, Taiwan, Transcaucasus, Türkiye, Türkiye-in-Europe, Turkmenistan, Ukraine, United States, Uzbekistan, Vietnam

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Asteraceae
Genus:
Bidens
Species:
Bidens tripartita
USDA Symbol:
BITR

Growth Characteristics

Life Cycle:
Annual
Growth Habit:
Forb/herb
Height:
100 cm
Light Requirements:
Full Sun
Drought Tolerance:
Low
Bloom Months:
jul,aug,sep,oct
Bloom Colors:
yellow

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)
Butterflies & Moths:
★☆☆☆☆ Documented Lepidoptera association (GBIF)

Keystone Species Ranking

Pollen Specialist Bee Keystone:
★★★☆☆ Native pollen specialist bee species supported by this genus (NWF)

Garden & Ecology Notes

Wildlife Value:
birds, butterflies, bees

Soil Requirements

Soil Type:
rich, moist, nutrient-dense soil
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
commonly found in wetlands and marshes

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–28 days
Notes:
Seeds germinate readily in moist to wet conditions. Light may improve germination rates.

The above propagation data sourced from Claude AI