American Blue-eyed Grass, Common Blue-eyed Grass

30 years ago I would weed this grass out from my flower beds. Then I decided that the flowers looked aok. So I gathered them together and...Read More tried to grow them as a tight bunch of plants. They like to keep a couple of inches between plants so they don't look spectacular but they are cute and dainty and bloom for a couple of weeks in June here in Calgary.The rest of the time they are almost invisible .

A grass-like species of plants from the genus Sisyrinchium native to northern North America from Newfoundland west to easternmost Alaska,...Read More and south to Pennsylvania in the east, and to New Mexico in the Rocky Mountains.
It is very similar to S. angustifolium, with which it is sometimes combined.

From Wikipedia, the free encyclopedia

Lovely native wildflower of dry hillsides & grasslands in central interior British Columbia. Blooms open in sun & close tightly on cloudy...Read More days. Haven't seen it used in gardens around here; plants are slender & quite inconspicuous so I'm thinking it would be lost unless grown in a rockery in a group or colony. I much appreciate it in the wild in early to mid-summer...always seems to be blooming at the same time as the wild roses.

This is one of the largest-flowering of the 'blue-eyed grass' species; also one of the tallest. I've tried several species and this one ...Read Moreso far has not been too invasive (others are quite nasty). Nice in a rockery or planted next to a yellow flowered or yellow foliaged plant.