Poa secunda ssp. ampla (Big bluegrass)

Formerly P. ampla. Robust, cool season, perennial bunchgrass with a shallow fibrous root system, sometimes spreading by short rhizomes. Occurs on a variety of sites but is intolerant of poorly drained soils or high water tables; drought tolerant. The most robust of the native bluegrasses. Early spring green-up and excellent forage production. Found in sagebrush communities, meadows and openings in aspen stands. Excellent palatability to livestock and wildlife year-round. Seeds valued by birds and small mammals. Varieties listed below.

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INFORMATION & ATTRIBUTES

Family: Poaceae

Duration: Perennial

Growth Habit: Graminoid

Native Status: Native

Season: Cool

Growth Form: Bunchgrass

Mature Height: 16 in.

Annual Precipitation: 8-16 in.

Drought Tolerance: High

Shade Tolerance: Intolerant

Elevation:

Wetland Indicator Status: FACU

Fire Resistance: No

Fire Tolerance: Medium

SOIL ADAPTATION

Coarse Texture: Yes

Medium Texture: Yes

Fine Texture: No

Salinity Tolerance: Low

CaCO3 Tolerance: Medium

pH Range: 6.0-8.0


SEEDING NOTES

Seeds per Pound: 1,046,900

Seeding Rate: 2-4 PLS lbs/acre

Season: Spring/Fall

Days to Germination:


VARIETIES & LOCAL ACCESSIONS

Sherman - Large statured, at times growing over 3 ft. tall. Useful for revegetation of low to mid-elevation grass, shrub and forest communities. Extremely drought tolerant. (Released 1945)