Zanthoxylum simulans

Sichuan pepper plant / Chinese prickly ash

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Aromatic shrub with thorny branches, native to China, produces peppery red fruit pods used as Sichuan pepper spice.
yard Outdoor plants wb_sunny Half-shade / Sun pets Not pet-safe
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Plant Details

Common Name Sichuan pepper plant / Chinese prickly ash
Family Rutaceae
Genus Zanthoxylum
Species Simulans
Origin China
Blooming Small greenish-yellow flowers in spring to summer
Leaf Color green, aromatic when crushed
Sunlight Half-shade / Sun
Category Outdoor plants
Pet Friendly close No
yard

Care & Maintenance

terrain
Soil

Well-draining loamy soil with organic matter, slightly acidic to neutral pH (6.0-7.5)

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Watering

Moderate watering during active growth, allow topsoil to dry between waterings, reduce significantly in winter dormancy

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Sunlight & Care

Prefers full sun for maximum oil production in leaves and fruits, tolerates partial shade in hot climates

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Fertilization

Apply balanced liquid fertilizer monthly during growing season (Apr-Sept), reduce to bi-monthly in cooler months

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Pruning

Prune after harvest to maintain shape and remove dead wood; wear gloves due to thorns

Pest Control Aphid Mealybug Scale Insect Spider Mite Thrip

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 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
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Growing Parameters

thermostat
Temperature
23° – 95°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
40% – 70%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
3000 – 12000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
500 – 2800
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
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Soil Moisture
25% – 55%
% volumetric
Water content in the growing medium
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Soil EC
300 – 1800
mS/cm
Electrical conductivity (nutrient concentration in soil water)

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