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Koeleria macrantha (Prairie Junegrass)

Prairie Junegrass, Junegrass, Prairie Koeler's Grass, Koeleria albescens, Koeleria cristata, Koeleria cristata var. longifolia, Koeleria cristata var. pinetorum, Koeleria gracilis, Koeleria nitida, Koeleria pyramidata, Koeleria yukonensis

Koeleria macrantha, Prairie Junegrass, Junegrass, Prairie Koeler's Grass, Koeleria albescens, Koeleria cristata, Ornamental Grass, Perennial grass, Drought tolerant grass
Koeleria macrantha, Prairie Junegrass, Junegrass, Prairie Koeler's Grass, Koeleria albescens, Koeleria cristata, Ornamental Grass, Perennial grass, Drought tolerant grass

Native to prairies and open woods, Koeleria macrantha (Prairie Junegrass) is a cool season ornamental grass forming a compact, upright clump of gray-green basal leaves. Dense, silvery green, spear-shaped seedheads appear in spring atop stems rising well above the foliage. Most striking when backlit, they ripen tan with seeds. In cool summer climates, Prairie Junegrass usually remains attractive until fall. In hot and humid areas, it tends to go dormant by late summer. Koeleria macrantha requires sharply drained soil and is best grown in rock gardens, raised beds. Excellent for prairie restoration.

  • Grows up to 24 in. tall (60 cm) and 12-18 in. wide (30-45 cm). Freely self-seeds where happy.
  • Performs best in full sun, in rocky or gritty, dry to medium, well-drained soils. Drought and dry soil tolerant.
  • No serious pest or disease issues.
  • Propagate by seed sown unstratified in fall or stratified in spring. Division in early spring.
  • Native to Asia, Europe, North America

Requirements

Hardiness 3 - 9
Plant Type Ornamental Grasses
Plant Family Poaceae
Common names Junegrass
Exposure Full Sun
Season of Interest Spring (Mid, Late)
Summer (Early, Mid)
Height 1' - 2'
(30cm - 60cm)
Spread 1' - 2'
(30cm - 60cm)
Spacing 24" - 36"
(60cm - 90cm)
Maintenance Low
Water Needs Low, Average
Soil Type Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Well-Drained
Characteristics Showy
Native Plants California, United States, Northeast, Pennsylvania, Vermont, Connecticut, Delaware, Maine, Maryland, New York, Midwest, Minnesota, Missouri, Nebraska, North Dakota, Ohio, Michigan, Kansas, Iowa, Indiana, Illinois, Wisconsin, South Dakota, Oregon, Idaho, Washington, Pacific Northwest, Southeast, Louisiana, Alabama, Arkansas, Kentucky, Southwest, Texas, Arizona, Nevada, New Mexico, Oklahoma, Utah, Wyoming, Rocky Mountains, Montana, Colorado, Alaska
Tolerance Drought, Dry Soil
Attracts Birds
Garden Styles Prairie and Meadow, Gravel and Rock Garden
How Many Plants
Do I Need?

Recommended Companion Plants

Echium vulgare (Viper’s Bugloss)
Geum triflorum (Prairie Smoke)
Asclepias tuberosa (Butterfly Weed)
Echinacea tennesseensis (Tennessee Coneflower)
Vernonia noveboracensis (New York Ironweed)
Eryngium planum ‘Blue Cap’ (Flat Sea Holly)
While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.
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Requirements

Hardiness 3 - 9
Plant Type Ornamental Grasses
Plant Family Poaceae
Common names Junegrass
Exposure Full Sun
Season of Interest Spring (Mid, Late)
Summer (Early, Mid)
Height 1' - 2'
(30cm - 60cm)
Spread 1' - 2'
(30cm - 60cm)
Spacing 24" - 36"
(60cm - 90cm)
Maintenance Low
Water Needs Low, Average
Soil Type Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Well-Drained
Characteristics Showy
Native Plants California, United States, Northeast, Pennsylvania, Vermont, Connecticut, Delaware, Maine, Maryland, New York, Midwest, Minnesota, Missouri, Nebraska, North Dakota, Ohio, Michigan, Kansas, Iowa, Indiana, Illinois, Wisconsin, South Dakota, Oregon, Idaho, Washington, Pacific Northwest, Southeast, Louisiana, Alabama, Arkansas, Kentucky, Southwest, Texas, Arizona, Nevada, New Mexico, Oklahoma, Utah, Wyoming, Rocky Mountains, Montana, Colorado, Alaska
Tolerance Drought, Dry Soil
Attracts Birds
Garden Styles Prairie and Meadow, Gravel and Rock Garden
How Many Plants
Do I Need?

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