Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Asteraceae

Genus:

Bidens

Species:

Bidens heterosperma

Growth Characteristics

Life Cycle:

Annual

Growth Habit:

Forb/herb

Height:

2-3 ft

Light Requirements:

Full Sun

Drought Tolerance:

High

Bloom Months:

sep, oct

Bloom Colors:

Yellow

Native Range

United States: Arizona, New Mexico

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, fertile, well-drained loam

pH:

6.0 - 7.5 (slightly acidic to neutral)

Drainage:

good drainage required

Moisture:

consistently moist

Notes:

prefers riparian zones and wet meadows