Vancouver Island Beggarticks

Bidens amplissima

Taxonomy

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

Growth Characteristics

Life Cycle:
Annual
Growth Habit:
Forb/herb
Height:
4-6 ft
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
aug, sep, oct
Bloom Colors:
Yellow

Native Range

Canada: British Columbia, Manitoba

Keystone Species Ranking

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

Host Plant for Caterpillars

Bidens borer (Epiblema otiosana)

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
consistently moist
Notes:
Prefers habitats near water bodies