slim amaranth

Amaranthus hybridus

Also known as: Slim Amaranth

Native to:
Argentina, Belize, Bolivia, Brazil, Colombia, Costa Rica, El Salvador, Galápagos, Guam, Guatemala, Honduras, Mexico, Nicaragua, Panamá, Paraguay, Peru, U.S. Minor Outlying Islands, United States, Uruguay

📍 View on iNaturalist →

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Amaranthaceae
Genus:
Amaranthus
Species:
Amaranthus hybridus
USDA Symbol:
AMHY

Growth Characteristics

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

Wildlife Benefits

Caterpillars:
★★☆☆☆ Recorded caterpillar host plant (HOSTS Database)

Host Plant for Caterpillars

beet webworm moth (Spoladea recurvalis), Coleophora amaranthella, Coleophora lineapulvella, Loxostege sp., Paralobesia sp., Scythris trivinctella, Southern armyworm (Spodoptera eridania), spotted beet webworm moth (Hymenia perspectalis), stalk borer moth (Papaipema nebris)

Garden & Ecology Notes

Wildlife Value:
birds, small mammals

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
thrives in disturbed soils, often found in nutrient-rich areas

Propagation & Germination

Stratification:
None required
Germination Time:
3–10 days
Notes:
Light may enhance germination. Seeds remain viable in soil for many years, contributing to persistent seed banks.

The above propagation data sourced from Claude AI

ORGHPS Germination Guide: Sow @ 20°C. Seed germinates within 3 months * protect from damping off

Source: Ontario Rock Garden & Hardy Plant Society