Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Asteraceae

Genus:

Bidens

Species:

Bidens hawaiensis

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Forb/herb , Subshrub

Height:

3-4 ft

Light Requirements:

Full Sun

Drought Tolerance:

High

Bloom Months:

jan, feb, mar, apr, 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:

rocky, well-drained volcanic soil

pH:

5.5 - 7.0 (slightly acidic to neutral)

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

native to Hawaiian dry forests and shrublands