Alpine Bluegrass

Poa alpina

Native to:
Afghanistan, Albania, Austria, Baltic States, Bulgaria, China, Corse, Czechia-Slovakia, Finland, Føroyar, France, Germany, Greece, Greenland, Iceland, India, Iran, Ireland, Italy, Kazakhstan, Kirgizstan, Labrador, Mexico, Morocco, Nepal, North Caucasus, Norway, NW. Balkan Pen., Pakistan, Poland, Romania, Russia, Sicilia, Spain, Svalbard, Sweden, Switzerland, Tadzhikistan, Transcaucasus, Türkiye, Ukraine, United States, Uzbekistan

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Poaceae
Genus:
Poa
Species:
Poa alpina
USDA Symbol:
POAL2

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Graminoid
Height:
40 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
jun,jul,aug

Wildlife Benefits

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

Host Plant for Caterpillars

Red-disked alpine (Erebia discoidalis)

Garden & Ecology Notes

Wildlife Value:
birds, small mammals
Deer Resistant:
Yes

Soil Requirements

Soil Type:
rocky, well-drained, nutrient-poor soil
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
commonly found in alpine and subalpine meadows

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–28 days
Notes:
Seeds germinate readily after cold stratification. Often produces viviparous plantlets in inflorescence that can be propagated.

The above propagation data sourced from Claude AI

Pre-treatment: No stratification is required. Germination occurs at 22D/15N C alternating temperature cycle. Germination is greater in dark than light.

Establishment: P. alpina is a circumboreal species found From Alaska to Newfoundland and south through the mountains of Montana, Idaho, Washington, Oregon, Wyoming, Colorado, and Utah. It also occurs in subalpine to alpine meadows, ridges and talus slopes; from Alaska to Quebec, south in the Cascades to just north of Mt. Rainier, WA., east to northeastern Oregon, Utah, Colorado, Idaho, Montana, and northern Michigan. It is also found throughout Eurasia.

Source: npn.rngr.net

ORGHPS Germination Guide: Sow @ 20C. Germinates within 3 months.

Source: Ontario Rock Garden & Hardy Plant Society