Tall Cottongrass

Eriophorum angustifolium

Native to:
Albania, Aleutian Is., Austria, Baltic States, Belarus, Belgium, Bulgaria, Canada, China, Czechia-Slovakia, Denmark, Finland, Føroyar, France, Germany, Great Britain, Greece, Greenland, Hungary, Iceland, Ireland, Italy, Kazakhstan, Korea, Kuril Is., Labrador, Netherlands, North Caucasus, Norway, NW. Balkan Pen., Poland, Portugal, Prince Edward I., Romania, Russia, Spain, Svalbard, Sweden, Switzerland, Transcaucasus, Türkiye, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Cyperaceae
Genus:
Eriophorum
Species:
Eriophorum angustifolium
USDA Symbol:
ERAN6

Growth Characteristics

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

Wildlife Benefits

Butterflies & Moths:
★☆☆☆☆ Documented Lepidoptera association (GBIF)

Garden & Ecology Notes

Wildlife Value:
birds, small mammals

Soil Requirements

Soil Type:
peaty, nutrient-poor, waterlogged soil
pH:
4.0 - 6.0 (acidic to slightly acidic)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
Common in bogs and wet meadows

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–30 days
Notes:
Seeds benefit from cold stratification; sow on moist peat surface and keep cool.

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

Source: Claude AI

ORGHPS Germination Guide: N Sow directly in the garden. Sow @ 20°C. Seed germinates within 3 months Requires light or the seed is very fine. Surface sow and expose to light. * peat based medium

Source: Ontario Rock Garden & Hardy Plant Society

Where to Buy

Nationwide Seller