Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Asteraceae

Genus:

Ambrosia

Species:

Ambrosia bidentata

USDA Symbol:

AMBI2

Growth Characteristics

Life Cycle:

Annual

Growth Habit:

Forb/herb

Height:

100 cm

Light Requirements:

Full Sun

Drought Tolerance:

Low

Bloom Months:

jul,aug,sep

Bloom Colors:

green

Garden & Ecology Notes

Wildlife Value:

waterfowl, wetland birds

Fire Ecology:

Fire adapted — tolerates or benefits from fire

Fire Notes:

Resprouts vigorously from rootstock after fire. Common in fire-maintained wet prairies and benefits from periodic burning.

Soil Requirements

Soil Type:

moist, fertile, well-drained loamy soil

pH:

5.5 - 7.0 (slightly acidic to neutral)

Drainage:

good drainage required

Moisture:

consistently moist

Notes:

prefers floodplain and wetland areas

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–60 days

Germination Time:

7–21 days

Notes:

Seeds require light and cold-moist stratification. Germination is improved with fluctuating temperatures.

The above propagation data sourced from Claude AI