Wild About Flowers
Nassella viridula - Green Needle Grass
Nassella viridula - Green Needle Grass
Couldn't load pickup availability
Green Needle Grass is a hardy, cool-season bunchgrass that thrives in prairies, meadows, and well-drained soils, making it an excellent choice for rural landscapes. Its fine, arching green blades add texture and movement, while feathery seed heads emerge from late spring to early summer, shimmering in the wind. Sparrows and other ground-feeding songbirds eat the seeds, and some butterflies use native grasses like Green Needle Grass as larval host plants in prairie ecosystems.
Highly valued for erosion control and forage, its seeds were also traditionally used as a food source by Indigenous peoples. Though palatable to livestock before seed set, the sharp awns on mature seeds can cause irritation if grazed too late in the season. Deep-rooted and drought-tolerant, Green Needle Grass contributes to soil stabilization and provides ecological benefits in pollinator-friendly and restoration plantings. While not a preferred food source for deer, young shoots may be nibbled occasionally.
Bloom Times & Plant Sizes
Bloom Times & Plant Sizes
Important Information - The "Bloom Period" is an indicator of the time period within which the wildflowers will bloom and does not describe the time period that a single plant will bloom. The "Sizes" listed are intended to be a general guideline to consult during plant selection. - Plant growth and bloom times will vary depending on geographical location & individual site conditions.
Edible & Medicinal Info Disclaimer
Edible & Medicinal Info Disclaimer
The Edible & Medicinal information on this site is for informational purposes only and should not be acted on without thorough research and professional guidance. We are not responsible for any adverse effects resulting from the use of or misidentification of plants.
Share

Plant Specifics
Seeds Per Pack
Seeds Per Package: 30
Light Conditions
- Sun
- Part Shade
Soil Conditions
- Loam
- Sandy
- Gravelly
- Clay
Height
- 12" - 24"
- 24" - 36"
Width
- 12" - 24"
- 24" - 36"
Bloom Colour
- Green
Month of Bloom
- July
- August
Vigorousness
- Moderate
- Fast
Deer Resistance
- Moderate
Features
- Birds
- Attractive Seed Heads
- Rural Spaces
- Edible Parts
Chinook Exposure
- Fully Exposed
Distribution Info
Native to parts of BC, in AB, SK, MB, and parts of the northern US. Found in prairies, foothills, open grasslands, and dry meadows, particularly in mixed-grass and fescue prairie ecosystems.
Traditional Edible & Medicinal Info
Indigenous peoples traditionally used the seeds of Nassella viridula as a food source, gathering and processing them as part of their diet.