Poa pratensis

Kentucky Bluegrass

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Cool-season perennial turfgrass with rhizomatous growth forming dense blue-green sod; highly tolerant of wear and cold climates.
yard Outdoor plants wb_sunny Sun pets Pet Friendly
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Plant Details

Common Name Kentucky Bluegrass
Family Poaceae
Genus Poa
Species Pratensis
Variety Numerous Cultivars
Origin Eurasia, North America
Blooming Produces seed heads in late spring, primarily grown for foliage and sod
Leaf Color Blue-green to emerald green
Sunlight Sun
Category Outdoor plants
Pet Friendly check Yes
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Care & Maintenance

terrain
Soil

Loamy soil with good drainage; pH 6.0-7.5 preferred for optimal growth

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Watering

Regular watering during establishment; deep infrequent watering promotes root depth during drought

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Sunlight & Care

Full sun preferred for best color and density, tolerates partial shade in cooler climates

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Fertilization

Apply nitrogen fertilizer 2-4 times per growing season for optimal growth and color

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Pruning

Mow regularly to maintain height, remove dead thatch annually to prevent disease

Pest Control Aphid Chinch Bug Grub Sod Webworm

These are the insects and pathogens that commonly interact with this plant, including pests, parasites, and organisms typically associated with its care.

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Seasonal Periods

local_florist Flowering Period 2 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
eco Leaf Persistence 10 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
thermostat

Growing Parameters

thermostat
Temperature
23° – 90°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
40% – 85%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
3000 – 60000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
1000 – 2500
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
water
Soil Moisture
25% – 70%
% volumetric
Water content in the growing medium
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Soil EC
300 – 1500
mS/cm
Electrical conductivity (nutrient concentration in soil water)

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