How to Grow Bluebunch Wheatgrass
iNaturalist
Bluebunch Wheatgrass
Pseudoroegneria spicata
grassBluebunch wheatgrass is a native perennial bunchgrass of western North America, valued for its deep root system, drought tolerance, and nutritional value for livestock and wildlife. It grows 12-24 inches tall with characteristic blue-green coloring and produces seed spikes in early summer. This grass is essential for prairie restoration and erosion control in semi-arid regions.
When should you plant Bluebunch Wheatgrass in your zone?
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Example Bluebunch Wheatgrass timeline · Pittsburgh, PA (Zone 6b)
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Plant Bluebunch Wheatgrass
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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Harvest Bluebunch Wheatgrass
Late summer into fallBefore the first fall frost (≈ Nov 8)
Sample dates for Pittsburgh, PA. Sign up to get exact Bluebunch Wheatgrass dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 3-8, particularly suited to the intermountain West
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Germination & Establishment
6-12 weeksSeeds germinate slowly after cold stratification; seedlings emerge with narrow leaves and are small and delicate
Keep soil consistently moist during first 6-8 weeks; protect from foot traffic; provide cold period (winter or artificial stratification) for germination; sow in fall for spring emergence or spring after cold stratification
Vegetative Growth (Year 1)
3-6 monthsSlowly develops robust root system with blue-green leaf blades; forms loose tufts; grows 4-8 inches tall
Maintain moderate moisture until established; minimal fertilizer needed; weed competition suppresses growth significantly; mulch can help; avoid traffic on young plants
Dormancy & Winter (Year 1)
3-4 monthsEnters dormancy with brown, dormant foliage; deep fibrous root system continues developing underground
No active management needed; plant is winter hardy; roots deepen and expand during dormant period
Reproductive Growth (Year 2+)
4-8 weeks of flowering; continuous from year 2 onwardProduces seed spikes in early summer; blue-tinted flowering heads emerge above the blue-green foliage; full-height bunches 12-24 inches tall
Allow seeds to mature and drop for natural regeneration; do not fertilize; drought management not needed; can be grazed lightly; allow seed heads to mature for wildlife
Seed Maturation & Dispersal
6-8 weeksSeeds ripen and dessicate; seed heads become tan-brown; seeds naturally shed into soil
Leave standing for wildlife food and erosion protection; collect seed if desired before natural drop; seeds improve germination the following spring
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Usually not problematic in native prairie settings; manage through balanced ecosystem; grazing animals can help control populations
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Rare on established native grasses; provide habitat for natural predators; acceptable crop damage in restoration contexts
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Rare; improve air circulation; remove infected seed heads if desired; not usually a concern in prairie ecosystems
Uses
Wildlife Food & Habitat
WildlifeBluebunch wheatgrass provides nutritious forage for elk, deer, sheep, and cattle, while its dense bunchgrass structure creates excellent nesting habitat for birds and small mammals. Seeds are an important food source for gamebirds and songbirds. [source]
Erosion Control & Restoration
HouseholdWidely used for restoring degraded rangelands, preventing soil erosion on slopes, and stabilizing disturbed areas. The deep root system (up to 12 feet) holds soil firmly and breaks compacted layers. [source]
Livestock Forage
CulinaryOne of the most nutritious rangeland grasses; highly palatable to cattle, sheep, and horses. Provides excellent nutrition throughout spring and early summer before seed head maturity. [source]
Traditional Medicine & Wheatgrass Juice
MedicinalRelated species provide wheatgrass used in traditional medicine for detoxification and immune support. Young shoots contain chlorophyll, enzymes, and minerals valued in natural health practices. [source]
Ornamental Prairie & Landscape Design
CraftBlue-green coloring and graceful form make it attractive in native plant gardens and xeriscape designs. Used in prairie restoration projects for aesthetic and ecological benefits. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Seed harvest typically occurs in July-August when seed heads turn tan and seeds begin to shatter. Cut seed heads into collection trays just as seeds begin dropping naturally. Allow seeds to dry completely before storage. For grazing, allow plants to reach full boot stage before introducing livestock; bluebunch is palatable and highly nutritious. Graze rotationally to prevent degradation. Do not graze during active growth in first 2 years.
Fun Facts
- 🌱 Bluebunch wheatgrass has an exceptionally deep root system that can extend 12 feet or more into the soil, allowing it to access water in semi-arid regions where annual rainfall is only 6-15 inches.
- 🌱 The blue-green color comes from a waxy coating (bloom) on the leaf blades that reflects light and helps conserve moisture in its native semi-arid habitat.
- 🌱 Native Americans and settlers used bluebunch wheatgrass seeds as a nutritious food source, harvesting and grinding them into flour.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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