Pinus palustris

Longleaf Pine

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Longleaf Pine, a large evergreen conifer with long needle clusters of 12-18 inches, a fire-adapted species native to the southeastern US coastal plains.
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Plant Details

Common Name Longleaf Pine
Family Pinaceae
Genus Pinus
Species Palustris
Origin United States (Southeastern)
Blooming Conifer, produces male and female cones; pollination in late spring
Leaf Color dark green to yellow-green
Sunlight Sun
Category Outdoor plants
Pet Friendly check Yes
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Care & Maintenance

terrain
Soil

Well-drained sandy or loamy soil; tolerates acidic to neutral pH (5.0-7.0)

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Watering

Drought tolerant once established; water deeply but infrequently in first year then reduce

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Sunlight & Care

Requires full sun exposure; minimum 6 hours direct sunlight daily for optimal growth

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Fertilization

Low nutrient requirements; apply slow-release fertilizer only if soil is deficient, spring application preferred

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Pruning

Minimal pruning required; remove dead or damaged branches during dormant season

Pest Control Bark Beetle Pine Needle Scale Pine Weevil

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 12 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
thermostat

Growing Parameters

thermostat
Temperature
23° – 104°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
20% – 70%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
30000 – 40000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
1800 – 2500
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
water
Soil Moisture
10% – 45%
% volumetric
Water content in the growing medium
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Soil EC
150 – 800
mS/cm
Electrical conductivity (nutrient concentration in soil water)

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