Giant Horsetail

Equisetum giganteum

Native to:
Argentina, Belize, Bolivia, Brazil, Chile, Colombia, Costa Rica, Cuba, Dominican Republic, El Salvador, Guatemala, Haiti, Honduras, Jamaica, Mexico, Nicaragua, Panamá, Paraguay, Peru, Uruguay

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Taxonomy

Division:
Equisetophyta | - Horsetails
Family:
Equisetaceae
Genus:
Equisetum
Species:
Equisetum giganteum
USDA Symbol:
EQGI

Growth Characteristics

Height:
500 cm
Light Requirements:
Full Sun
Drought Tolerance:
Low

Garden & Ecology Notes

Wildlife Value:
small mammals, birds
Deer Resistant:
Yes
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Resprouts vigorously from deep rhizomes after fire or cutting.

Soil Requirements

Soil Type:
rich, water-retentive, organic soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
Thrives in wetland areas and along riverbanks

Propagation & Germination

Notes:
Reproduces primarily by spores and rhizomes; spore viability is short-lived and requires moist conditions for germination.

The above propagation data sourced from Claude AI