Job's Tears

Coix lacryma-jobi

Native to:
Andaman Is., Bangladesh, Borneo, Cambodia, Guam, Hainan, India, Laos, Malaya, Myanmar, Nepal, Nicobar Is., Palau, Philippines, Sri Lanka, Taiwan, Thailand, Vietnam

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Poaceae
Genus:
Coix
Species:
Coix lacryma-jobi
USDA Symbol:
COLA

Growth Characteristics

Life Cycle:
Annual | Perennial
Growth Habit:
Graminoid
Height:
180 cm
Light Requirements:
Full Sun
Drought Tolerance:
Low
Bloom Months:
jul,aug,sep,oct

Wildlife Benefits

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

Host Plant for Caterpillars

orange tortrix moth (Argyrotaenia citrana)

Garden & Ecology Notes

Wildlife Value:
birds

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
prefers areas with high rainfall

Propagation & Germination

Stratification:
None required
Germination Time:
10–21 days
Notes:
Seeds germinate readily in warm, moist conditions. Prefers soil temperatures above 65°F for optimal germination.

The above propagation data sourced from Claude AI