Southern Amaranth

Amaranthus australis

Native to:
Colombia, Cuba, Haiti, Jamaica, Mexico, Puerto Rico, Trinidad-Tobago, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Amaranthaceae
Genus:
Amaranthus
Species:
Amaranthus australis
USDA Symbol:
AMAU

Growth Characteristics

Life Cycle:
Annual
Growth Habit:
Forb/herb , Subshrub
Height:
100 cm
Light Requirements:
Full Sun
Drought Tolerance:
Low
Bloom Months:
jun,jul,aug,sep,oct
Bloom Colors:
green

Garden & Ecology Notes

Wildlife Value:
waterfowl, birds

Soil Requirements

Soil Type:
fertile, moisture-retentive loam
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
Commonly found in wetlands and riverbanks

Propagation & Germination

Stratification:
None required
Germination Time:
3–10 days
Notes:
Seeds germinate readily in warm, moist conditions with light. Surface sow or barely cover as light may enhance germination.

The above propagation data sourced from Claude AI