Brassica nigra

Black Mustard

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Annual herbaceous plant cultivated for pungent seeds used in condiments or as green manure. Features serrated leaves and bright yellow flowers.
yard Kitchen garden plants wb_sunny Sun pets Not pet-safe
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Plant Details

Common Name Black Mustard
Family Brassicaceae
Genus Brassica
Species Nigra
Origin Mediterranean basin, Southwest Asia
Blooming Bright yellow racemes appear in late spring to summer clusters.
Leaf Color Grey-green to deep green, sometimes with a purple tinge
Sunlight Sun
Category Kitchen garden plants
Pet Friendly close No
yard

Care & Maintenance

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Soil

Well-draining loamy soil rich in organic matter. pH 6.0-7.5 optimal.

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Watering

Keep soil consistently moist during germination; reduce watering before harvest to prevent rotting seeds.

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Sunlight & Care

Full sun exposure essential for robust growth and seed yield. Tolerates partial shade but flowers reduced.

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Fertilization

Apply balanced NPK fertilizer at planting; avoid excessive nitrogen late season which delays maturity.

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Pruning

Harvest young leaves as microgreens; remove bolted flowers if seed production is not the goal.

Pest Control Aphid Cabbage Looper Flea Beetle 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 4 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
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Growing Parameters

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Temperature
41° – 86°
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 – 60000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
2000 – 5000
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
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Soil Moisture
25% – 60%
% volumetric
Water content in the growing medium
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Soil EC
400 – 1800
mS/cm
Electrical conductivity (nutrient concentration in soil water)
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Common Problems

Something wrong with your Brassica nigra? Select a symptom to diagnose and fix the issue.

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