Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Poaceae

Genus:

Glyceria

Species:

Glyceria grandis

USDA Symbol:

GLGR

Growth Characteristics

Life Cycle:

Perennial

Growth Habit:

Graminoid

Height:

150 cm

Light Requirements:

Full Sun

Drought Tolerance:

Low

Bloom Months:

jun,jul,aug

Bloom Colors:

green

Wildlife Benefits

Caterpillars:

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

Host Plant for Caterpillars

Garden & Ecology Notes

Wildlife Value:

waterfowl, songbirds, small mammals

Fall Color:

yellow

Fire Ecology:

Fire adapted — tolerates or benefits from fire

Fire Notes:

Resprouts from rhizomes following fire; tolerates prescribed burns in wetland management.

Soil Requirements

Soil Type:

rich, moisture-retentive loamy soil

pH:

5.5 - 7.5 (slightly acidic to neutral)

Drainage:

tolerates poor drainage

Moisture:

consistently moist

Notes:

Commonly found in wetlands and marshes

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–60 days

Germination Time:

14–30 days

Notes:

Seeds require light for germination and moist to wet conditions.

The above propagation data sourced from Claude AI