Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Asteraceae

Genus:

Ambrosia

Species:

Ambrosia grayi

USDA Symbol:

AMGR5

Growth Characteristics

Life Cycle:

Perennial

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, songbirds

Soil Requirements

Soil Type:

sandy, well-drained, nutrient-poor soil

pH:

6.0 - 8.0 (neutral to slightly alkaline)

Drainage:

excellent drainage required

Moisture:

dry to moderate

Notes:

Commonly found in arid and semi-arid regions.

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–60 days

Germination Time:

7–21 days

Notes:

Seeds benefit from cold moist stratification; germination improves with light exposure.

The above propagation data sourced from Claude AI