Tropical Burnweed

Erechtites valerianifolius

Native to:
Argentina, Bolivia, Brazil, Colombia, Costa Rica, Dominican Republic, El Salvador, French Guiana, Guatemala, Guyana, Honduras, Leeward Is., Mexico, Nicaragua, Panamá, Paraguay, Peru, Puerto Rico, Uruguay, Venezuelan Antilles, Windward Is.

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Asteraceae
Genus:
Erechtites
Species:
Erechtites valerianifolius
USDA Symbol:
ERVA10

Growth Characteristics

Life Cycle:
Annual
Growth Habit:
Forb/herb
Height:
150 cm
Light Requirements:
Full Sun
Drought Tolerance:
Low
Bloom Months:
jul,aug,sep,oct
Bloom Colors:
white, cream

Garden & Ecology Notes

Wildlife Value:
birds, butterflies
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Pioneer species that colonizes burned or disturbed areas; benefits from fire-created openings.

Soil Requirements

Soil Type:
moist, well-drained, nutrient-rich soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
good drainage required
Moisture:
consistently moist
Notes:
often found in disturbed areas and open fields

Propagation & Germination

Stratification:
None required
Germination Time:
7–21 days
Notes:
Seeds require light for germination; surface sow and do not cover.

The above propagation data sourced from Claude AI