Giant Cutgrass

Zizaniopsis miliacea

Native to:
Mexico, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Poaceae
Genus:
Zizaniopsis
Species:
Zizaniopsis miliacea
USDA Symbol:
ZIMI

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Graminoid
Height:
300 cm
Light Requirements:
Full Sun
Drought Tolerance:
Low
Bloom Months:
may,jun,jul

Wildlife Benefits

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

Host Plant for Caterpillars

Donacaula maximella, Broad-winged Skipper (Poanes viator), Least Skipper (Ancyloxypha numitor)

Reported Fauna Sightings

Butterflies:Broad-winged Skipper (Poanes viator)

Garden & Ecology Notes

Wildlife Value:
waterfowl, birds, small mammals
Salt Tolerant:
Yes
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Resprouts vigorously from rhizomes following fire; fire can stimulate new growth in marshes.

Soil Requirements

Soil Type:
rich, moisture-retentive clay or loam
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
commonly found in wetland areas

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–30 days
Notes:
Seeds require wet conditions and may germinate underwater or in saturated soil.

The above propagation data sourced from Claude AI