Pinus densiflora umbraculifera

Japanese Umbrella Pine

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A dwarf variety of Japanese Red Pine featuring a dense, umbrella-shaped crown and blue-green needles with reddish bark. Best suited for outdoor cultivation or bonsai due to high light requirements.
yard Outdoor plants wb_sunny Sun pets Pet Friendly
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Plant Details

Common Name Japanese Umbrella Pine
Family Pinaceae
Genus Pinus
Species Densiflora
Variety umbraculifera
Origin Japan
Blooming Produces male and female cones in spring; pollen shed occurs in early spring.
Leaf Color Blue-green to gray-green needles
Sunlight Sun
Category Outdoor plants
Pet Friendly check Yes
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Care & Maintenance

terrain
Soil

Well-draining acidic soil mix; sandy loam or pine bark compost; avoid heavy clay.

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Watering

Allow topsoil to dry between waterings; drought tolerant once established; reduce watering in winter dormancy.

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Sunlight & Care

Requires full sun exposure for compact growth and needle density; low light causes etiolation.

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Fertilization

Apply balanced slow-release fertilizer in early spring before new growth begins.

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Pruning

Prune candles (new shoots) in spring to maintain shape; remove dead branches anytime.

Pest Control Aphid Pine Needle Scale Pine Sawfly Spider Mite

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° – 86°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
25% – 70%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
4000 – 35000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
1200 – 2500
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
water
Soil Moisture
10% – 65%
% volumetric
Water content in the growing medium
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Soil EC
400 – 2000
mS/cm
Electrical conductivity (nutrient concentration in soil water)

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