Intermediate Cottongrass

Eriophorum × medium

Native to:
Aleutian Is., Canada, Finland, Labrador, Norway, Russia

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Cyperaceae
Genus:
Eriophorum
Species:
Eriophorum × medium
USDA Symbol:
ERME14

Growth Characteristics

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

Garden & Ecology Notes

Wildlife Value:
waterfowl, small mammals
Deer Resistant:
Yes

Soil Requirements

Soil Type:
peaty, nutrient-poor, waterlogged soil
pH:
4.5 - 6.5 (acidic to slightly acidic)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
commonly found in bogs and wetlands

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–42 days
Notes:
Requires consistently moist to wet conditions and cool temperatures for germination. Light may enhance germination.

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