Arctic Woodrush

Luzula nivalis

Native to:
Canada, Finland, Greenland, Labrador, Norway, Russia, Svalbard, Sweden, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Juncaceae
Genus:
Luzula
Species:
Luzula nivalis
USDA Symbol:
LUAR9

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Graminoid
Height:
20 cm
Light Requirements:
Full Sun
Drought Tolerance:
Low
Bloom Months:
jun,jul,aug
Bloom Colors:
brown

Wildlife Benefits

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

Host Plant for Caterpillars

Arctic woolly bear moth (Gynaephora groenlandica)

Garden & Ecology Notes

Wildlife Value:
small mammals, birds
Deer Resistant:
Yes

Soil Requirements

Soil Type:
rocky, well-drained, nutrient-poor soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
found in alpine and subalpine regions

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–42 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