Alphabetical Plant Listing

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


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

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Requirements

Hardiness 3 – 9
Plant Type Ornamental Grasses
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)
Water Needs Low, Average
Maintenance Low
Soil Type Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Well-Drained
Characteristics Showy
Native Plants United States, Alaska, California, Midwest, Illinois, Indiana, Iowa, Kansas, Michigan, Minnesota, Missouri, Nebraska, North Dakota, Ohio, South Dakota, Wisconsin, Northeast, Connecticut, Delaware, Maine, Maryland, New York, Pennsylvania, Vermont, Pacific Northwest, Idaho, Oregon, Washington, Rocky Mountains, Colorado, Montana, Utah, Wyoming, Southeast, Alabama, Arkansas, Kentucky, Louisiana, Southwest, Nevada, Arizona, New Mexico, Oklahoma, Texas
Tolerance Drought, Dry Soil
Attracts Birds
Garden Styles Gravel and Rock Garden, Prairie and Meadow

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By Spazhakina Anna, Shutterstock

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.


Requirements

Hardiness 3 – 9
Plant Type Ornamental Grasses
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)
Water Needs Low, Average
Maintenance Low
Soil Type Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Well-Drained
Characteristics Showy
Native Plants United States, Alaska, California, Midwest, Illinois, Indiana, Iowa, Kansas, Michigan, Minnesota, Missouri, Nebraska, North Dakota, Ohio, South Dakota, Wisconsin, Northeast, Connecticut, Delaware, Maine, Maryland, New York, Pennsylvania, Vermont, Pacific Northwest, Idaho, Oregon, Washington, Rocky Mountains, Colorado, Montana, Utah, Wyoming, Southeast, Alabama, Arkansas, Kentucky, Louisiana, Southwest, Nevada, Arizona, New Mexico, Oklahoma, Texas
Tolerance Drought, Dry Soil
Attracts Birds
Garden Styles Gravel and Rock Garden, Prairie and Meadow

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