How to Grow Intermediate Wheatgrass
iNaturalist
Intermediate Wheatgrass
Thinopyrum intermedium
grassIntermediate wheatgrass is a hardy, deep-rooted perennial grass native to semi-arid regions of Central Asia. It is widely used for pasture, hay production, erosion control, and rangeland restoration due to its exceptional drought tolerance and nutritive value. The plant grows 2-4 feet tall with fine-textured foliage and produces seed heads in mid-summer.
When should you plant Intermediate Wheatgrass in your zone?
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Example Intermediate Wheatgrass timeline · Pittsburgh, PA (Zone 6b)
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Plant Intermediate 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 Intermediate Wheatgrass
Late summer into fallBefore the first fall frost (≈ Nov 8)
Sample dates for Pittsburgh, PA. Sign up to get exact Intermediate Wheatgrass dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 2-8; excellent cold hardiness and drought tolerance
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Germination & Seedling
2-4 weeksSeeds germinate within 7-14 days under adequate moisture; young seedlings develop fine, needle-like leaves; root system begins establishing deep into soil
Keep soil consistently moist but not waterlogged during establishment; avoid competition from weeds by maintaining clean seedbed; light mulch protects seeds
Vegetative Growth & Establishment
6-12 weeks (first season)Plants develop tillers (shoots) creating a dense, clumping growth habit; foliage reaches 6-12 inches; deep root system expands downward to 3+ feet
Allow adequate moisture the first growing season; apply light nitrogen fertilizer if needed; manage competing weeds; can graze lightly if stand is vigorous
Flowering & Seed Development
4-6 weeksSeed heads emerge 2-4 feet tall in late spring to early summer; flower heads are spike-like and awned; plant achieves mature stature
Do not graze or harvest before seed sets if collecting seed; allow flowering for wildlife and forage quality; plants reach peak nutritive value at boot to early heading stage
Seed Maturation & Dormancy
4-8 weeksSeed ripens and heads dry; foliage may turn golden or tan; plants prepare for dormancy as temperatures cool
Harvest seed when heads turn brown and seeds are hard (late July to August); after seed harvest, foliage can be grazed or cut for hay; provide winter protection for young stands
Winter Dormancy & Perennial Persistence
4-5 months (season-dependent)Aboveground foliage dries and becomes dormant; root system remains active in soil; plant survives extreme cold and drought via deep rhizomes
No active management needed; winter grazing is possible without damaging plants; mulch can protect very young stands; established plants require no irrigation or fertilizer
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Manage with grazing animals; chemical control rarely needed; encourage natural predators
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Typically not economically damaging in established stands; rotation grazing reduces habitat
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Chop or burn stubble to destroy pupae; resistant varieties available; rotation to non-grass crops
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Avoid planting in fall in infested regions; choose resistant cultivars; manage volunteer wheat
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Rarely severe in well-managed stands; improve air circulation; fungicides rarely warranted
Uses
Sprouted seed nutrition
CulinaryIntermediate wheatgrass seeds can be sprouted for use in salads and smoothies, providing fresh greens high in chlorophyll and micronutrients. Sprouted wheatgrass is consumed as a juice or fresh food product with reported nutritional benefits. [source]
Wildlife habitat and forage
WildlifeProvides excellent forage and cover for grassland birds, pollinators, and herbivores; seed heads offer food for songbirds and game birds. Supports grassland ecosystem restoration and biodiversity. [source]
Pasture and hay production
HouseholdOne of the most reliable forage grasses for livestock grazing and hay production in semi-arid and cold regions. Provides consistent, nutritious feed with high protein content, especially at early growth stages. [source]
Erosion control and soil stabilization
HouseholdDeep root system (3-15 feet) stabilizes soils and prevents erosion on slopes, disturbed areas, and rangeland. Used extensively in reclamation of mined lands and restoration of degraded pastures. [source]
Traditional wellness supplement
MedicinalWheatgrass is used in traditional and alternative medicine, with claims of detoxification, energy support, and immune benefits. Contains vitamins, minerals, amino acids, and antioxidants. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
For seed: harvest when seed heads are brown and seeds are hard (late July to August); cut, bundle, dry for 2-4 weeks, thresh and clean. For forage: graze when plants reach 4-6 inches of growth in spring; can graze multiple times per season; for hay, cut at boot to early heading stage for maximum nutrition; mature stand can produce 2-3 tons dry matter per acre annually
Fun Facts
- 🌱 Intermediate wheatgrass has an exceptionally deep root system that can extend 12-15 feet into the soil, allowing it to access water and nutrients far below the reach of most competing plants—making it nearly unbeatable in drought-prone regions.
- 🌱 The plant was introduced to North America from Central Asia in the early 1900s and is now considered one of the most important native-adapted perennial grasses for Great Plains ranching, erosion control, and ecological restoration.
- 🌱 Intermediate wheatgrass is a polyploid species (Triticeae tribe) that combines genetic material from multiple ancestral species, giving it exceptional hardiness and adaptability to extreme climates and poor soils that would kill most other grasses.
Gardening Terms
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