Green Needlegrass

Nassella viridula

Native to:
Canada, Mexico, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Poaceae
Genus:
Nassella
Species:
Nassella viridula
USDA Symbol:
NAVI4

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Graminoid
Height:
90 cm
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
may,jun,jul,aug
Bloom Colors:
green

Garden & Ecology Notes

Wildlife Value:
birds, small mammals
Deer Resistant:
Yes
Fall Color:
tan, gold
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Resprouts from basal buds following fire; historically maintained by prairie fire regimes.

Soil Requirements

Soil Type:
well-drained, sandy or loamy soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
prefers open grasslands and prairies

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
14–28 days
Notes:
Germinates readily with cold stratification; light may enhance germination.

The above propagation data sourced from Claude AI

Pre-treatment: None required

Establishment: Seed collection dates for different regions: McLaren (98-064s) collected on 8/11/98; Twin Owls (98-098s) collected on 8/31/98; Endovalley (98-140s) collected on 10/3/98. Sowing dates: McLaren (98-064s) sowed 11/10/09; Twin Owls (98-098s) sowed 11/23/98; Endovalley (98-140s) sowed 12/8/98.

Source: npn.rngr.net