Foxtail Amaranth

Amaranthus caudatus

Native to:
Bolivia, Peru, Puerto Rico

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Amaranthaceae
Genus:
Amaranthus
Species:
Amaranthus caudatus
USDA Symbol:
AMCA3

Growth Characteristics

Life Cycle:
Annual
Growth Habit:
Forb/herb
Height:
180 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
jul,aug,sep,oct
Bloom Colors:
red, crimson, purple, green

Wildlife Benefits

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

Host Plant for Caterpillars

Dicymolomia julianalis, Southern beet webworm moth (Herpetogramma bipunctalis)

Garden & Ecology Notes

Wildlife Value:
birds, small mammals

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
consistently moist
Notes:
thrives in nutrient-rich soils

Propagation & Germination

Stratification:
None required
Germination Time:
7–14 days
Notes:
Seeds germinate readily at warm soil temperatures (18-24°C). Light aids germination; do not cover seeds deeply.

The above propagation data sourced from Claude AI

ORGHPS Germination Guide: Sow @ 20C. Germinates within 3 months.

Source: Ontario Rock Garden & Hardy Plant Society