Mexican Giant Horsetail

Equisetum myriochaetum

Native to:
Colombia, Costa Rica, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, Peru

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Taxonomy

Division:
Equisetophyta | - Horsetails
Family:
Equisetaceae
Genus:
Equisetum
Species:
Equisetum myriochaetum
USDA Symbol:
EQMY

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
800 cm
Light Requirements:
Full Sun
Drought Tolerance:
Low

Garden & Ecology Notes

Deer Resistant:
Yes
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Resprouts vigorously from deep rhizomes after fire; rhizome network can survive extensive surface disturbance.

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:
Commonly found in wetland areas

Propagation & Germination

Notes:
Reproduces primarily via spores and rhizomes; spore viability is very short-lived and requires immediate sowing on moist substrate.

The above propagation data sourced from Claude AI