How to Grow Forage Grasses

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Forage Grasses

Multiple species (Lolium, Festuca, Dactylis, Phleum, Trifolium spp.)

grass

Forage grasses are perennial or annual grasses specifically cultivated for livestock feed and pasture management. These hardy, nutrient-rich plants form the foundation of sustainable grazing systems and hay production. Common species include perennial ryegrass, tall fescue, orchardgrass, and timothy, each adapted to different climates and soil conditions.

Looking for a specific variety?

Perennial Ryegrass Tall Fescue Orchardgrass Timothy Bermuda Grass Smooth Bromegrass

When should you plant Forage Grasses in your zone?

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Example Forage Grasses timeline · Pittsburgh, PA (Zone 6b)

Plant Forage Grasses
Around Apr 17

Near Pittsburgh's average last spring frost.
Tend & protect
Late spring–summer

Watering, feeding, and pest-watch reminders.
Harvest Forage Grasses
Late summer into fall

Before the first fall frost (≈ Nov 8)

Sample dates for Pittsburgh, PA. Sign up to get exact Forage Grasses dates for your own zip code.

Growing Conditions

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Sun: Full sun, minimum 6 hours daily; tolerates partial shade depending on species

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Water: Moderate to high water needs; 1-2 inches per week during growing season. Cool-season grasses prefer consistent moisture; drought tolerance varies by species

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Spacing: Broadcast seeding at 6-10 lbs per acre for dense pasture; individual plants 2-4 inches apart in managed settings inches

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Days to maturity: 30-45 days to initial grazing; 60-90 days to first hay harvest; 2-3 years to full productivity

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Planting depth: Seed planted 0.25-0.5 inches deep; requires good soil contact

Soil

Type: Well-draining loamy to clay loam soil

pH: 6.0-7.5

Amendments:

Lime (if pH below 6.0) Compost or well-rotted manure Phosphorus and potassium fertilizers Nitrogen fertilizer for establishment and maintenance

Growing Zones

Find your zone →

Thrives in zones 3-8, with specific species suited to cooler (timothy, fescue) and warmer (bermuda-type species) regions

2a 2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b

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Growth Stages

Germination & Seedling

2-4 weeks

Seeds germinate within 7-14 days under proper moisture and temperature. Young shoots emerge with 2-3 leaves; root system begins establishing.

Maintain consistent soil moisture without waterlogging. Protect from livestock for 4-6 weeks. Avoid herbicides during this critical period.

Vegetative Growth

4-8 weeks

Rapid leaf and tiller development. Plant height reaches 4-8 inches with multiple shoots per plant. Root system deepens significantly.

Allow adequate growth before first grazing (4-6 leaf stage). Apply nitrogen fertilizer to promote tillering. Monitor for weeds and suppress early.

Boot to Heading

2-3 weeks

Seed heads emerge from leaf sheaths. Plant transitions from vegetative to reproductive stage. Height reaches 12-24 inches depending on species.

Graze or cut before heading if targeting high forage quality and digestibility. Delay grazing if seed production is desired.

Flowering & Seed Set

1-2 weeks

Seed heads fully emerge with visible flowers and pollination. Plant reaches maximum height. Nutritional quality of forage declines as plant matures.

Harvest for hay at early heading to boot stage for optimal quality. Allow some plants to set seed for reseeding and genetic renewal.

Dormancy & Regrowth

3-4 months dormancy; regrowth 3-4 weeks

Plant enters dormancy in winter (cool-season grasses) or summer (warm-season types). Regrowth occurs after rest period with new tillers emerging.

Manage fall grazing to prevent overutilization. Avoid heavy grazing below 2-3 inches residual height. Provide adequate recovery time (3-4 weeks) between rotations.

Companion Planting

Plan your garden →

Plant with:

Legumes (clover, alfalfa, birdsfoot trefoil) Chicory Plantain Sainfoin Lupine

Avoid planting near:

Competitive broadleaf weeds Tall-growing trees that shade pastures heavily Allelopathic plants (black walnut) Areas with poor drainage and waterlogging

Common Pests

Monitor for economic threshold; grazing management reduces populations; insecticides only if severe; encourage natural predators
Maintain dense forage cover to discourage; rotate grazing to break life cycles; chemical control only in severe outbreaks
Adequate irrigation reduces populations; resistant grass varieties; monitor thresholds before treatment
Crop rotation and residue management; maintain plant vigor with proper fertility; rarely economically damaging in forage systems
Proper seedbed preparation; appropriate seeding rates; delayed seeding can avoid peak populations

Uses

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Livestock Feed & Hay Production

Culinary

Primary use is as nutritious pasture and conserved forage for cattle, sheep, horses, and goats. High-quality forage grasses provide essential protein, energy, and fiber for animal nutrition and productivity. [source]

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Pasture & Lawn Management

Household

Used for permanent pastures, temporary grasslands, and erosion control on hillsides and degraded land. Creates dense sod that prevents soil erosion and improves water infiltration. [source]

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Nutritional Phytonutrients

Medicinal

Forage grasses contain beneficial compounds including antioxidants, minerals (calcium, magnesium, phosphorus), and vitamins that support livestock health and milk/meat quality. [source]

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Hay Crafting & Mulching

Craft

Quality hay is used for livestock bedding, mulching in gardens, and craft projects like decorative dried grass arrangements. Premium hay can be sold as specialty animal feed. [source]

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Habitat & Wildlife Support

Wildlife

Forage grass pastures provide nesting habitat for ground-nesting birds and cover for beneficial insects and pollinators. Diverse grass-legume mixtures support healthy ecosystems. [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 hay: Cut at boot to early heading stage (highest nutritional value) when moisture is 40-50%; allow proper dry-down before baling. For grazing: Use rotational grazing system; maintain 2-4 inch stubble height; allow 3-4 week recovery between rotations. Monitor forage quality and species readiness. Best hay harvest is late morning after dew dries. Avoid rain on cut hay.

Fun Facts

🌱 Perennial ryegrass can recover from grazing damage and regrow a complete new leaf in just 7-10 days under optimal conditions, making it one of the most resilient forage crops.
🌱 A single ryegrass plant can produce 30-100 tillers (shoots), allowing dense pasture coverage from relatively low seeding rates.
🌱 Timothy grass was named after Timothy Hanson, who promoted it in colonial America; it remains the gold standard for horse hay due to its optimal nutrient balance and safe fiber content.

Gardening Terms

New to gardening? Learn about terms used in this guide:

Annual Full Sun Partial Shade Perennial Pollination

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