Bidens squarrosa

Bidens squarrosa

Native to:
Argentina, Belize, Bolivia, Brazil, Colombia, Costa Rica, Cuba, El Salvador, Guatemala, Honduras, Jamaica, Leeward Is., Mexico, Nicaragua, Panamá, Peru, Puerto Rico, Windward Is.

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Asteraceae
Genus:
Bidens
Species:
Bidens squarrosa
USDA Symbol:
BISQ2

Growth Characteristics

Height:
150 cm
Light Requirements:
Full Sun
Drought Tolerance:
Low
Bloom Months:
aug,sep,oct
Bloom Colors:
yellow

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:
moist, fertile, well-drained loam
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
good drainage required
Moisture:
consistently moist
Notes:
prefers habitats like wetlands and riverbanks

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–30 days
Notes:
Seeds germinate readily with cold stratification; light may enhance germination.

The above propagation data sourced from Claude AI