Citrus aurantium

Bitter Orange

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Evergreen tree with bitter fruit and fragrant white flowers, native to SE Asia, prized for marmalade and essential oils.
yard Outdoor plants wb_sunny Sun pets Not pet-safe
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Plant Details

Common Name Bitter Orange
Family Rutaceae
Genus Citrus
Species Aurantium
Origin Southeast Asia
Blooming Late spring, fragrant white blossoms appear before fruiting
Leaf Color Dark glossy green
Sunlight Sun
Category Outdoor plants
Pet Friendly close No
yard

Care & Maintenance

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Soil

Well-draining acidic mix, peat with perlite or specialized citrus soil.

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Watering

Keep soil consistently moist but not waterlogged. Increase watering during flowering/fruiting, reduce in winter dormancy.

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Sunlight & Care

Full sun required for best growth and fruiting. Move outdoors in summer if possible indoors near south window.

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Fertilization

Feed monthly during growing season with balanced citrus fertilizer high in nitrogen and micronutrients like iron and magnesium.

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Pruning

Prune to maintain shape, remove dead wood, thin out dense canopy for light penetration.

Pest Control Aphid Scale Insect Spider Mite Whitefly

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 3 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
agriculture Harvesting Period 3 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
54° – 90°
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)
5000 – 35000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
2000 – 4500
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
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Soil Moisture
30% – 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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