Abies firma

Japanese Fir

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Evergreen conifer native to Japan, featuring glossy dark green needles with silvery undersides. Hardy tree often used in bonsai or gardens; requires cool temperatures and high light.
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Plant Details

Common Name Japanese Fir
Family Pinaceae
Genus Abies
Species Firma
Origin Japan
Blooming Monoecious, produces cones in spring
Leaf Color Dark green glossy top, silvery-white underside
Sunlight Sun
Category Outdoor plants
Pet Friendly check Yes
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Care & Maintenance

terrain
Soil

Well-draining acidic soil mix; peat-based or specialized conifer substrate essential for root health.

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Watering

Keep soil evenly moist during growing season; allow slight drying between waterings in winter. Sensitive to drought and salt buildup.

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Sunlight & Care

Requires bright light; prefers full sun outdoors. Indoors needs maximum possible exposure, avoid hot afternoon direct rays.

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Fertilization

Apply balanced slow-release fertilizer in early spring before new growth emerges to support needle development.

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Pruning

Prune candles (new shoots) in spring to maintain shape; remove dead branches immediately to prevent disease spread.

Pest Control Aphid Pine Needle Scale Scale Insect 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
41° – 82°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
40% – 75%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
1500 – 30000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
25 – 60
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
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Soil Moisture
30% – 60%
% volumetric
Water content in the growing medium
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Soil EC
300 – 1200
mS/cm
Electrical conductivity (nutrient concentration in soil water)
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Common Problems

Something wrong with your Abies firma? Select a symptom to diagnose and fix the issue.

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