How to Grow Native Grasses (Lomandra & Poa species)

Native Grasses (Lomandra & Poa species)

Lomandra spp., Poa spp.

grass

Native grasses are perennial ornamental and functional grasses adapted to specific regional climates and soil conditions. Lomandra species are Australian native tufted grasses known for hardiness and fine texture, while Poa species (bluegrass) are cool-season grasses found across North America and temperate regions. These grasses provide ecological benefits, erosion control, wildlife habitat, and low-maintenance landscaping solutions.

When should you plant Native Grasses (Lomandra & Poa species) in your zone?

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Example Native Grasses (Lomandra & Poa species) timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Native Grasses (Lomandra & Poa species)

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest Native Grasses (Lomandra & Poa species)

    Late summer into fall

    Before the first fall frost (≈ Nov 8)

Sample dates for Pittsburgh, PA. Sign up to get exact Native Grasses (Lomandra & Poa species) dates for your own zip code.

Growing Conditions

☀️
Sun: Full sun to partial shade; most species prefer 6+ hours of direct sunlight daily
💧
Water: Drought-tolerant once established (after 2-3 months); minimal supplemental watering needed. Water moderately during establishment. Poa species tolerate moisture better than Lomandra.
📏
Spacing: 18-36 inches depending on species and mature size inches
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Days to maturity: 60-90 days for seedlings to establish; 1-2 years for full maturity and clump size
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Planting depth: Surface sow or press seeds lightly into soil; transplants at soil line

Soil

Type: Well-draining soil; tolerant of sandy, loamy, or clay soils depending on species
pH: 6.0-7.5
Amendments:
Compost for soil structure Sand for clay-heavy soils Minimal fertilizer (native grasses prefer lean soil)

Growing Zones

Find your zone →

Varies by species; Poa species thrive in zones 2-8 (cool-season), Lomandra in zones 8-11 (warm-season)

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

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Growth Stages

1

Germination & Seedling

2-4 weeks

Fine, delicate grass blades emerge from soil; very small root system establishing.

Keep soil consistently moist but not waterlogged. Protect from foot traffic and heavy wind. Maintain steady light conditions.

2

Establishment

4-8 weeks

Seedlings develop deeper root systems and begin forming tillers (side shoots). Plant grows to 4-6 inches tall.

Reduce watering frequency as roots deepen. Avoid heavy fertilizer. Remove weeds competing for resources.

3

Vegetative Growth

3-6 months

Grass forms dense clumps with multiple tillers. Foliage reaches mature height (12-48 inches depending on species).

Minimal water once established. Allow to grow without mowing during first year. No fertilizer needed for natives.

4

Flowering & Seed Production

4-8 weeks

Upright seed heads emerge above foliage. Flowers are inconspicuous but seed heads provide visual interest and wildlife food.

Allow seed heads to mature and persist for wildlife habitat and winter interest. Do not cut back yet.

5

Dormancy & Renewal

3-5 months depending on climate

Cool-season grasses (Poa) may go dormant in summer heat or brown in winter. Warm-season natives (some Lomandra) persist year-round.

Cut back dormant Poa in late winter/early spring (2-3 inches). Allow Lomandra to shed dead foliage naturally or lightly comb out dead matter.

Companion Planting

Plan your garden →

Plant with:

Native wildflowers (Rudbeckia, Coreopsis, Echinacea) Native shrubs (Ceanothus, Sambucus) Other native grasses (mixed plantings) Sedges Forbs and legumes

Avoid planting near:

Aggressive, invasive grasses Heavy-feeding annuals Plants requiring frequent watering Lawn grasses (if pure native planting desired)

Common Pests

  • Beneficial insects, neem oil spray; rarely problematic in native plantings

  • Natural predators, spinosad if severe; not typically serious

  • Improve drainage, reduce nitrogen, allow air circulation; rarely affects well-draining natives

  • Remove affected areas, improve plant vigor; rarely serious

Uses

🦋

Wildlife Habitat & Food Source

Wildlife

Native grasses provide critical nesting material, shelter, and seed food for birds, insects, and small mammals. Leave standing seed heads through winter for migratory birds and overwintering beneficial insects. [source]

🏠

Erosion Control & Slope Stabilization

Household

Deep, fibrous root systems prevent soil erosion and improve water infiltration. Ideal for erosion-prone areas, stormwater management, and green infrastructure. [source]

🎨

Ornamental & Landscape Design

Craft

Graceful foliage and seed heads add texture, movement, and seasonal interest to gardens. Used in pollinator gardens, meadows, and low-maintenance perennial landscapes. [source]

🏠

Water Conservation & Drought Tolerance

Household

Once established, native grasses require minimal supplemental water compared to conventional lawns, reducing irrigation needs and maintenance costs. [source]

🍳

Food & Forage (Select Species)

Culinary

Some native grass species produce edible seeds and grains historically used by indigenous peoples. Certain Poa species are palatable forage for livestock. [source]

Harvest Tips

Native grasses are ornamental and functional; do not traditionally 'harvest.' However, allow seed heads to mature (late summer through fall) for wildlife food and self-seeding. Cut back cool-season grasses in late winter/early spring to 3 inches. Leave warm-season grasses standing through winter, then cut in early spring. Collect dried seed heads for crafts or seed collection by hand-stripping ripe seeds into a bag.

Fun Facts

  • 🌱 Lomandra species can live 20+ years and are nearly indestructible; they tolerate extreme heat, cold, drought, flooding, and poor soil better than most plants.
  • 🌱 Native grass root systems extend 6-15 feet deep, sequestering vast amounts of carbon and creating soil structure that conventional plants cannot match.
  • 🌱 A single mature native grass plant can produce thousands of seeds; allowing natural seed drop creates self-sustaining meadows with zero replanting effort.

Gardening Terms

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