Koeleria macrantha

Also called:

Prairie Junegrass

Mountain Junegrass

Botanical Description

Plant Family:

Poaceae

Deciduous

Grass

Oregon Native?

Yes

West State Native?

Yes

Generally found on rangelands and plains

Kathy Ketchum

Flower:

Green

Blooms from :

May

to:

Jun

Narrow tapered inflorescences (to 5? long) appear in late spring atop flower spikes rising well above the basal foliage. Inflorescences open light green but change to silver-green as the seed heads mature.

Foliage:

Green

Mostly basal leaves (to 7? long) are medium to bright green, but may be tinged with gray-green.

Site Selection

Minimum USDA Hardiness Zone:

Water Needs:

Sun Needs:

Full Sun

Deer Resistant?

Yes

Firewise?

Height:

12-24"

Spread:

9-18"

Growth Rate:

Fast

Native Habitat:

Prairies

Soil Needs

Easily grown in dry to medium, well-drained soils in full sun. Thrives in rocky or gritty soils. Needs superior drainage. Tolerates drought. Avoid wet and/or heavy soils or shade.

Fertilizer Needs:

Recommended Mulch:

Wildlife Uses

Attracts Pollinators?

Attracts Birds?

Supports Butterflies?

Yes

Wildlife use description:

Prairie June Grass is considered a fair to good forage for elk throughout the year, and is desirable forage for deer and antelope in the spring and early summer.