Pacific Island Silvergrass

Miscanthus floridulus

Native to:
Bismarck Archipelago, Caroline Is., China, Cook Is., Fiji, Gilbert Is., Guam, Hainan, Japan, Jawa, Laos, Lesser Sunda Is., Malaya, Maluku, Marquesas, Marshall Is., Myanmar, Nansei-shoto, New Caledonia, New Guinea, Niue, Palau, Philippines, Samoa, Society Is., Solomon Is., Sulawesi, Sumatera, Taiwan, Tonga, Tuamotu, Tubuai Is., United States, Vanuatu, Vietnam, Wallis-Futuna Is.

📍 View on iNaturalist →

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Poaceae
Genus:
Miscanthus
Species:
Miscanthus floridulus
USDA Symbol:
MIFL3

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Graminoid
Height:
400 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
aug,sep,oct
Bloom Colors:
white, silver

Wildlife Benefits

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

Host Plant for Caterpillars

rice leafroller (Cnaphalocrocis trapezalis)

Garden & Ecology Notes

Wildlife Value:
birds, small mammals
Deer Resistant:
Yes
Fall Color:
tan, bronze
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Resprouts vigorously from rhizomes after fire; tolerates periodic burning typical of grassland management.

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
consistently moist
Notes:
thrives in fertile, organic-rich environments

Propagation & Germination

Stratification:
None required
Germination Time:
14–30 days
Notes:
Seeds require light and warm temperatures (20-25°C) for optimal germination.

The above propagation data sourced from Claude AI