Sweetgrass vs Bluebunch Wheatgrass

Sweetgrass is a cool-season perennial grass best known for its sweet, vanilla-like fragrance. The scent comes from coumarin in the leaves, which is pleasant to humans but has a bitter taste that makes the plant less appealing to deer and other herbivores. As a cool-season grass, Sweetgrass grows most vigorously in spring and fall, slowing or even going dormant during the heat of summer.

It spreads quickly through creeping rhizomes and can be difficult to remove once established, so it is best planted in areas where its spread will not cause problems. Due to its deep, vigorous root system and preference for moist soils, Sweetgrass is especially useful for erosion control, soil stabilization, riparian plantings, and naturalization projects.

Note: Sweetgrass was formerly classified under the scientific name Hierochloe odorata and its subspecies. The subspecies found in Canada are currently considered two distinct species: Anthoxanthum hirtum, which is native across Canada, and Anthoxanthum nitens, which is native to Eastern Canada. Because these two species are alike and share many overlapping common names, they are often considered as only one species.

Bluebunch Wheatgrass is a native perennial bunchgrass common across prairies, foothills, and open woodlands. Longer-lived than many other grass species, it develops deep, fibrous roots that stabilize soils and make it drought-tolerant once established. It is a cool-season grass, growing most actively in spring and fall and slowing during the heat of summer.

This hardy grass provides excellent forage for deer, elk, and bighorn sheep, and is especially palatable to livestock. Its seeds feed birds and small mammals, while its bunching growth offers protective cover for ground-nesting birds such as sparrows and sage-grouse, as well as shelter for small mammals. Bluebunch Wheatgrass is well-suited to rangeland & prairie restoration, naturalization, and erosion control projects.

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