Koeleria pyramidata - Prairie June Grass

aka Koeleria cristata or Koeleria macrantha

June grass is grown for its attractive foliage. Adding interest to the otherwise barren landscape found under tall pines or enhancing a spot in a rock garden, Koeleria is often the right choice for a difficult location.

Prairie June grass has nice foliage and fantastic flowers, which are excellent in dried flower arrangements.

Description: cool season; clump forming
Foliage is light green; narrow blade width; 5-20 cm (2-8") in height
Flowers in June through Sept; 30-50 (12-20") tall

Ideal conditions: full sun; wide range of soil from sand to heavy clay; well drained soil with ample water to become established. After it is established it is very drought tolerant.

Coldest zone: 3 (find your zone; further info on plant hardiness)

Partner with: Allium sinenscens, Festuca ovina, Sedum sexangulare

Season of interest: May to September

Drought tolerance rating: 1 (water to root depth once a month) further info

Recommended spacing between plants: 20-30 cm (8-12") why such a difference?

Native to: most of North America

Pronunciation: Koeleria (koh-LAIR-ee-uh) pyramidata (peer-ah-mih-DAH-tah)


More ornamental grasses

Compare Koeleria pyramidata to our other grasses in this handy chart.


Koeleria pyramidata - Prairie June Grass
Photo credit: Bernd Haynold,
Creative Commons License

From USDA website: states and provinces where
Koeleria pyramidata has been found in the wild