Spike Bentgrass

Agrostis exarata

Native to:
Aleutian Is., Canada, Kuril Is., Mexico, Russia, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Poaceae
Genus:
Agrostis
Species:
Agrostis exarata
USDA Symbol:
AGEX

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Graminoid
Height:
120 cm
Light Requirements:
Part Shade
Drought Tolerance:
Low
Bloom Months:
jun,jul,aug
Bloom Colors:
green, purple

Garden & Ecology Notes

Wildlife Value:
birds, small mammals
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Can resprout from rhizomes after fire; often increases in post-fire communities.

Soil Requirements

Soil Type:
moist, well-drained loamy or clay soil
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
commonly found in wet meadows and along streambanks

Propagation & Germination

Stratification:
None required
Germination Time:
7–21 days
Notes:
Seeds germinate readily without pretreatment in moist soil.

Pre-treatment: None required

Establishment: The plant is native from Alaska to South Dakota and south to California, Texas and Mexico. It occurs in a wide variety of habitats including forest openings, grasslands, meadows, marshes, and stream and lake margins from sea level to alpine zones. It is most commonly found in moist, open, disturbed places, but is also found in dry habitats such as semi-arid grasslands.

Source: npn.rngr.net

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