Bulbous Woodrush

Luzula bulbosa

Native to:
United States

📍 View on iNaturalist →

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Juncaceae
Genus:
Luzula
Species:
Luzula bulbosa
USDA Symbol:
LUBU

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Graminoid
Height:
40 cm
Light Requirements:
Part Shade
Drought Tolerance:
Medium
Bloom Months:
mar,apr,may
Bloom Colors:
brown, green

Wildlife Benefits

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

Host Plant for Caterpillars

Coleophora biforis

Garden & Ecology Notes

Wildlife Value:
birds
Deer Resistant:
Yes
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Resprouts from bulbous base after fire; common in fire-maintained woodlands and savannas.

Soil Requirements

Soil Type:
moist, well-drained, humus-rich soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
good drainage preferred
Moisture:
consistently moist
Notes:
Commonly found in woodland and grassland habitats.

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–30 days
Notes:
Seeds require light for germination. Cold stratification improves germination rates.

The above propagation data sourced from Claude AI

Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).

Source: Claude AI