Oahu Beggarticks

Bidens populifolia

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Asteraceae
Genus:
Bidens
Species:
Bidens populifolia

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb , Subshrub
Height:
3-4 ft
Light Requirements:
Full Sun
Drought Tolerance:
Low
Bloom Months:
may, jun, jul, aug, sep, oct, nov, dec
Bloom Colors:
Yellow

Native Range

United States: Hawaii

Keystone Species Ranking

Bee Keystone:
★★★☆☆ Based on number of native bee species using this genus for pollen and nectar (Source: National Wildlife Federation)

Soil Requirements

Soil Type:
moist, well-drained loamy soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
good drainage required
Moisture:
consistently moist
Notes:
prefers habitats near water bodies

Germination Information

Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).

Source: OpenAI GPT-4o