How to Grow Native Grasses

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Native Grasses

Poaceae (family)

grass

Native grasses are perennial or annual grasses adapted to specific regional climates and soil conditions, ranging from tall prairie grasses to fine ornamental species. They are drought-tolerant, low-maintenance, and essential for prairie and meadow ecosystems. Native grasses support wildlife, improve soil health, and reduce the need for irrigation and chemical inputs.

Looking for a specific variety?

Big Bluestem Little Bluestem Switchgrass Indiangrass Purple Lovegrass Prairie Cordgrass

When should you plant Native Grasses in your zone?

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

Plant Native Grasses
Around Apr 17

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

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

Before the first fall frost (≈ Nov 8)

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

Growing Conditions

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Sun: Full sun, 6-8 hours daily (most species); some woodland species tolerate partial shade (3-4 hours); more sun produces denser growth and better color

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Water: Low to moderate water needs once established; water deeply but infrequently during establishment (first 1-2 growing seasons); mature native grasses are typically drought-tolerant and require minimal supplemental watering except during severe drought

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Spacing: 12-36 inches depending on species and mature height; small to medium grasses 12-18 inches, tall prairie grasses 24-36 inches inches

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Days to maturity: Varies widely; cool-season grasses establish faster (60-120 days), warm-season grasses mature slowly (120-180+ days); full landscape effect takes 2-3 years

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Planting depth: Surface sow seeds or press lightly into soil (most native grass seeds need light to germinate); transplants set at soil level, not deeper

Soil

Type: Well-draining loamy or sandy soil; species-specific variations (upland prairie grasses prefer drier soils, lowland grasses tolerate moisture)

pH: 5.5-7.5 (varies by species; most tolerate 6.0-7.0)

Amendments:

Minimal amendments needed for well-adapted species Add compost or aged manure only if soil is very poor Sand for clay-heavy soils to improve drainage Avoid excessive nitrogen which promotes weak, disease-prone growth

Growing Zones

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Varies by species; cold-hardy varieties for zones 2-6, warm-season species for zones 5-10, regionally adapted species perform best

2a 2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a

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Growth Stages

Seed Germination & Seedling

2-4 weeks

Seeds germinate and develop initial shoots and root systems; seedlings are delicate with narrow leaf blades

Keep soil consistently moist but not waterlogged during germination; provide light exposure; protect from foot traffic; thin crowded seedlings; some species benefit from cold stratification (winter chill) or scarification before sowing

Establishment & Early Growth

6-12 weeks (first season); continues into second year

Rapid root and shoot development; plants develop deeper root systems and more extensive foliage; begin to show species-characteristic growth form

Water deeply and regularly during first growing season to establish strong roots; reduce watering frequency in second season; apply light mulch around base if needed; avoid high-nitrogen fertilizer; suppress competing weeds

Vegetative Growth

Ongoing, typically by year 2-3

Fully established grass forms clumps or stands with vigorous leaf growth; extensive root systems extend deep into soil; plant reaches near mature size

Minimal watering after second year; allow natural rainfall to sustain; do not overwater or fertilize; cut back cool-season grasses in late winter (before spring growth); allow warm-season grasses to remain uncut through winter for structure and wildlife habitat

Flowering & Seed Production

4-12 weeks depending on season and species

Culms (flowering stems) emerge with distinctive seed heads or plumes (panicles or spikes); colors range from golden, bronze, red, or purple depending on species; ornamental value peaks at this stage

Do not deadhead unless seeds are unwanted; seeds feed wildlife and self-sow; flowering indicates plant maturity and health; leave seed heads for winter interest and wildlife food source; allow full senescence before cutting back

Dormancy & Winter Structure

3-4 months (October-March in temperate zones)

Foliage dries to tan, gold, or reddish tones; above-ground growth declines but root systems remain active in soil; plant structure persists through winter providing visual interest

Do NOT cut back warm-season grasses until late winter/early spring (February-March in most regions); cutting back cool-season grasses in late winter rejuvenates spring growth; leave standing for wildlife shelter and seed source; avoid heavy foot traffic on dormant plants

Companion Planting

Plan your garden →

Plant with:

Native wildflowers (black-eyed Susans, coneflowers, asters) Native sedges Legumes (native clovers, vetch) Other native grass species (for polyculture prairies) Milkweed (supports monarch butterflies)

Avoid planting near:

Aggressive exotic grasses (fescue, orchard grass) Creeping vines (bindweed, morning glory) Invasive perennials (dandelion, thistle) Dense shade-producing trees (until grasses are established)

Common Pests

Rarely problematic in established native grass stands; monitor for excessive populations; predatory wasps and birds provide natural control; manual removal if populations spike
Infrequent in native grass prairies; encourage bird and parasitic wasp populations; avoid broad-spectrum insecticides which disrupt beneficial insects
Rare in well-established native grass stands with deep roots; minimize turf damage; use parasitic nematodes if necessary; avoid systemic insecticides
Occasional in humid conditions; rarely serious; improve air circulation; avoid wetting foliage; allow natural senescence in fall (do not cut back early); resistant varieties available
Uncommon in sunny locations; ensure adequate spacing for air flow; do not overwater; avoid high-nitrogen fertilizer; allow native fungal communities to control outbreaks

Uses

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Wildlife Habitat & Food Source

Wildlife

Native grasses provide essential habitat for birds, insects, and small mammals while their seeds supply high-energy food for songbirds, game birds, and small rodents. Dense grass stands offer nesting material and protective cover for ground-nesting species. [source]

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Erosion Control & Soil Stabilization

Household

Deep, extensive root systems stabilize soil, prevent erosion, and reduce stormwater runoff. Native grasses are widely used in restoration projects, rain gardens, stream buffers, and on slopes. [source]

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Sustainable Landscaping & Low-Maintenance Lawns

Household

Once established, native grasses require minimal water, no fertilizer, no pesticides, and reduce mowing needs compared to conventional turf. They improve soil carbon sequestration and reduce carbon footprint. [source]

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Ornamental & Decorative Uses

Craft

Tall native grasses with feathery plumes or seed heads provide striking visual interest in gardens, dried arrangements, and craft projects. Golden, bronze, and reddish fall colors add seasonal beauty to landscapes. [source]

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Forage Crop & Livestock Pasture

Culinary

Many native grasses are harvested as hay for livestock and wildlife feed, providing high-quality forage with deep soil penetration improving pasture health and productivity over time. [source]

Harvest Tips

Native grasses are harvested for seeds rather than traditional harvest; allow seed heads to fully mature and dry on plant (late summer to fall); cut seed heads when seeds are mature (brown/tan, easily fall from head) and store in dry location for restoration projects or propagation; some growers cut and bale dried foliage in late winter for wildlife bedding or erosion control; do not harvest before seeds mature to maintain plant vigor and enable natural reseeding

Fun Facts

🌱 Native prairie grasses can develop root systems 10-15 feet deep, making them among the most drought-tolerant plants and allowing them to access water unavailable to shallow-rooted species; these deep roots also sequester significant amounts of soil carbon.
🌱 A single native grass plant can produce thousands of seeds per year, naturally regenerating prairies and meadows and requiring minimal human intervention once established.
🌱 Native grasses are a keystone species—their presence supports hundreds of other plant and animal species; removing them often leads to prairie and ecosystem collapse, making them critical for conservation efforts.

Gardening Terms

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

Annual Deadhead Full Sun Germination Mulch Partial Shade Perennial

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