How to Grow Labillardière's bluegrass
iNaturalist
Labillardière's bluegrass
Poa labillardierei
grassPoa labillardierei is a cool-season perennial grass native to southeastern Australia and Tasmania, known for its fine texture and attractive blue-green foliage. It forms dense tufts and is valued for ornamental landscaping, erosion control, and as a pasture grass in cool climates. The grass produces delicate flowering stems with open panicles that add visual interest in spring and early summer.
When should you plant Labillardière's bluegrass in your zone?
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Example Labillardière's bluegrass timeline · Pittsburgh, PA (Zone 6b)
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Plant Labillardière's bluegrass
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 Labillardière's bluegrass
Around Jul 16≈ 90 days after planting
Sample dates for Pittsburgh, PA. Sign up to get exact Labillardière's bluegrass dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 6-9, preferring cool to temperate climates with moderate humidity
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Germination & Seedling
2-3 weeksFine, thread-like leaves emerge from seed. Seedlings are delicate with minimal root development.
Keep soil consistently moist but not waterlogged. Provide light, avoid heavy foot traffic. Maintain cool temperatures (60-70°F) for best germination.
Establishment & Vegetative Growth
4-8 weeksSeedlings develop deeper roots and form small tufts. Leaves elongate and tiller production begins, creating denser growth.
Reduce watering frequency as root systems establish. Apply balanced fertilizer monthly. Mow to 2-3 inches if grown for turf.
Mature Vegetative
8-12 weeksDense tufts develop with characteristic blue-green foliage. Plant reaches full height (12-18 inches) with extensive lateral growth.
Maintain regular watering during dry periods. Apply slow-release fertilizer in spring. Thatch management if necessary for turf applications.
Flowering & Reproduction
3-4 weeksDelicate flowering stems emerge with open panicles containing small spikelets. Flowers are typically greenish to purplish.
Reduce nitrogen fertilization to encourage flowering. Continue regular watering. Allow some flowering stems to mature for seed production if desired.
Seed Maturity & Dormancy
4-6 weeks to dormancy onsetSeed heads dry and mature. In summer heat or drought, plants may enter dormancy with reduced growth and color changes.
Collect mature seeds if propagation desired. Provide water during extended dry periods to prevent stress. Allow natural dormancy cycle.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Monitor for damage, handpick if populations low, apply appropriate insecticides if severe, encourage natural predators
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Maintain plant vigor through proper watering, apply insecticidal soaps or neem oil, encourage beneficial insects
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Scout for webbing and damage, apply Bacillus thuringiensis (Bt), maintain healthy turf conditions
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Increase humidity through watering, apply miticides if necessary, encourage natural predators
Uses
Pasture & Animal Fodder
CulinaryPoa labillardierei is an excellent cool-season pasture grass that provides nutritious forage for livestock. Its fine texture and palatability make it valued in mixed pasture systems. [source]
Lawn & Turf Establishment
HouseholdThe fine, dense growth habit makes this grass suitable for ornamental lawns, golf courses, and sports fields in cool climates. It creates attractive blue-green turf with low maintenance requirements. [source]
Habitat & Erosion Control
WildlifePoa labillardierei helps stabilize soil and prevent erosion on slopes and disturbed areas. Its dense root system and growth form provide habitat and food for beneficial insects and wildlife. [source]
Ornamental Landscaping
CraftThe fine texture, attractive blue-green color, and delicate flowering stems make this grass valuable for ornamental garden design, native plant landscapes, and drought-tolerant plantings. [source]
Traditional Use in Native Regions
MedicinalIn its native Australian and Tasmanian regions, this grass has been utilized in traditional land management and Indigenous ecological practices. Modern interest focuses on its sustainability. [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, collect mature seed heads in late spring/early summer (typically May-June) when panicles turn tan and seeds separate easily. Cut stems at soil level, dry in shade for 1-2 weeks, then thresh and clean seeds. For ornamental/turf use, no harvesting needed; maintain through regular mowing and management.
Fun Facts
- 🌱 Poa labillardierei is named after French botanist Jacques-Julien Houtou de Labillardière, an 18th-century explorer and naturalist who studied Australian flora.
- 🌱 This grass is specifically adapted to cool, temperate climates and actually performs better in cooler regions than warm-season competitors, making it valuable for climate-resilient landscaping in changing conditions.
- 🌱 The fine, velvety appearance of mature Poa labillardierei tufts is due to the plant's extremely narrow leaf blades, which can be less than 2mm wide, giving it exceptional ornamental appeal.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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