Crop · Oilseed and spice crop
Mustard
Brassica juncea (brown/Indian mustard); Brassica nigra (black mustard); Sinapis alba (white/yellow mustard)
Mustard is an annual Brassica crop grown mainly for its seeds, used as a spice and condiment, pressed for oil, or grown as a cover and biofumigant crop in some rotations.
Several distinct mustard species are cultivated under the common name mustard, differing in seed color, pungency, and typical use: brown or Indian mustard, black mustard, and white or yellow mustard are the most widely grown.
Beyond direct seed and oil use, mustard is also grown in some regions as a cover crop, valued for its rapid growth and glucosinolate content, which can help suppress certain soil-borne pests and pathogens when incorporated into the soil.
Overview
Mustard is grown at scales ranging from smallholder condiment and oilseed production, particularly in South Asia, to large mechanized fields in temperate grain-growing regions.
The crop is fast-growing and completes its life cycle from sowing to seed maturity within a single cool season, making it suitable both as a primary cash crop and as a short-duration rotation or cover crop.
Botanical classification
- Family
- Brassicaceae (cabbage family)
- Genus
- Brassica and Sinapis
- Principal species
- Brassica juncea, Brassica nigra, and Sinapis alba, distinguished by seed color and pungency
- Growth habit
- Erect annual herb with lobed leaves, yellow four-petaled flowers, and seed pods (siliques) borne on branching stems
Origin and distribution
Mustard species originated across regions spanning the Mediterranean, the Middle East, and Central and South Asia, and have been cultivated and used as a condiment since antiquity.
Major producers today include Canada, Russia, Nepal, and Myanmar for various mustard types, alongside significant production of Indian mustard in South Asia for both oil and condiment use. Production statistics are compiled by FAO and national agricultural agencies.
Climate and soil requirements
Mustard is a cool-season crop that tolerates cold and light frost reasonably well but is sensitive to high heat during flowering and seed set, which can reduce yield and seed quality.
Well-drained loams and sandy loams are suitable, and mustard tolerates a wider soil pH range than many other Brassica crops. Poorly drained soils increase the risk of root and stem disease.
Cultivation and management
- Species and cultivar selection matched to target use: condiment seed, oil, or cover cropping
- Sowing timed to complete flowering before the onset of high temperatures in the target region
- Crop rotation with non-Brassica crops to manage soil-borne disease and pest carryover
- Incorporation of mustard biomass into soil in some cover-crop and biofumigation systems
Nutrient considerations
Sulfur is a particularly important nutrient for mustard and other Brassica crops, supporting the glucosinolate compounds linked to seed pungency and oil quality, alongside nitrogen, which supports overall vegetative growth and seed yield.
Water and irrigation
Mustard is grown both rain-fed and under irrigation, with moisture particularly important during germination, flowering, and pod fill; drought stress during flowering can significantly reduce seed yield.
Furrow irrigation is traditional in many production regions, while drip irrigation is used in more intensive or water-limited systems.
Common diseases and pests
Downy mildew is a common disease of mustard and other Brassica crops, particularly under cool, humid conditions, and Sclerotinia stem rot (white mold) can cause significant yield loss in some production regions, especially under wet conditions during flowering. Aphids and flea beetles are common pests, with flea beetles particularly damaging to young seedlings.
| Problem | Type | Notes |
|---|---|---|
| Downy mildew | Disease | Favored by cool, humid conditions |
| Sclerotinia stem rot | Disease | Significant yield loss risk under wet flowering conditions |
| Aphids | Pest | Sap-feeding insects on foliage and pods |
| Flea beetles | Pest | Particularly damaging to young seedlings |
Harvest
Mustard is harvested once seed pods mature and dry, typically by combine in mechanized production, taking care to minimize shattering losses since ripe pods can split and drop seed readily.
Uses
- Whole and ground seed used to make mustard condiment and as a spice
- Seed pressed for mustard oil used in cooking and, in some regions, industrial applications
- Meal remaining after oil extraction used as livestock feed or organic fertilizer in some systems
- Grown as a cover and biofumigant crop in some vegetable and arable rotations
What this page covers
agricultural use conceptThis page covers the mustards, which are several species in more than one genus grown for pungent seed. It is keyed to Brassica juncea, brown mustard, and it also covers black mustard, white mustard and — since both authorities moved it out of Brassica — Ethiopian mustard, which is now Mutarda carinata.
The page groups crops by what they are grown for rather than by taxon. The members may be in different genera and the boundary is agricultural: what belongs is what is grown and traded for the same purpose.
| Taxon | In this corpus | Role |
|---|---|---|
| Mutarda carinataEthiopian mustard | held as a verified taxon — listed in the taxa register, no page of its own | An Ethiopian oilseed and leaf vegetable that both authorities have moved out of Brassica into Mutarda. Wave 39 stopped it because this page was built around a genus the species had left; the page is about a use, not a genus, so the species stays inside it. |
When a taxon here earns its own page: A mustard earns its own page when its production system, not its genus, is separate. Ethiopian mustard has an argument — an Ethiopian oilseed with a leaf-vegetable use and its own agronomy — and Wave 39 recorded it as ready on evidence. Nothing else the corpus holds in the group does.
Botanical identity
Speciesauthorities differ- Accepted name
- Brassica juncea
- Family
- Brassicaceae
- Genus
- Brassica
- Harvested part
- oilseed, seed, leaf
- Agricultural use
- oilseed, spice, human food
- Crop group
- Oilseeds, Spices and herbs
What the authorities say
- World Flora Online — Taxonomic Backbone
- Brassica juncea
- Plants of the World Online
- × brassarda juncea
The authorities differ on the genus. World Flora Online places brown mustard in Brassica; Plants of the World Online places it in the nothogenus × Brassarda, as × Brassarda juncea, reflecting its origin as a cross between Brassica rapa and Brassica nigra. AgricultureID publishes Brassica juncea, which is the name used throughout agricultural, germplasm and regulatory systems, and records POWO’s reading here.
Botanical identity here is what the consulted taxonomic authorities publish, on the date they were read. Where authorities disagree, both readings are shown rather than one being chosen silently.
What AgricultureID holds for this crop
- 61 crop calendar records
- 2 verified extension resources
- 2 pests and diseases naming this crop as a host
- 2 soil references
- 2 climate references
- 11 related crops
Not held
- No published cultivars — not researched
- No official variety registrations — source exists not mapped
- No farm economics observations — source exists not mapped
- No market price series — source exists not mapped
An absence here means this corpus holds no such record, not that none exists.
Part of
Brassica — one genus, many crops · Brassicaceae — the cabbage family · Oilseeds
Related crops
- Same genus
- Broccoli, Brussels Sprouts, Cabbage, Cauliflower, Chinese Cabbage, Kale, Kohlrabi, Oilseed rape, Pak Choi, Swede, Turnip
Planting and harvest calendar
Usual sowing and harvest windows across 61 jurisdictions, covering broad leaf mustard and broad leaf mustard — season 1 and broad leaf mustard — season 2 and leaf mustard and mustard and mustard — season 1 and mustard — season 2.
Official extension guidance
2 resources indexed from public extension publishers. Each was written for a particular place; read it at the source.
Biomass Production of Biofumigant Cover Crops - 'Caliente' Mustard and Oilseed Radish
Factsheet published by NC State Extension for North Carolina. It addresses mustard. The source is organised around “Potential Benefits of Biofumigant Cover Crops”, “Field Experiments” and “Biomass Production”.
NC State Extension · Cover crops · publisher states no date; reachable 2026-08-27
Weed Management in Collards, Kale, Mustard, and Turnip Greens
Factsheet published by NC State Extension for North Carolina. It addresses kale. The source is organised around “Cultivation Options in Greens”, “Herbicide Options in Greens” and “Preplant and Preemergence”.
NC State Extension · Soil preparation, Weed management · publisher states no date; reachable 2026-08-27
These are pointers to guidance published by others. Each was written for a particular place and season and is revised by its publisher; read it at the source, and check it applies where you farm.
Tools for this
Each tool shows its formula, constants and sources, and starts empty — nothing is filled in from this page.
- Seed-rate calculator
Convert a target plant stand into a seed rate, allowing for germination and establishment.
- Row spacing calculator
Work out in-row spacing and plants per metre of row for a target density.
- Production, area and yield calculator
Relate a harvested area and a yield to a production total, in either direction.
- Growing degree-days calculator
Accumulate heat units against a base temperature.
Relationships
Evidence-backed connections in the knowledge graph.
Susceptible to
Suitable soils
Climate sensitivity
Irrigation methods
Managed with
Farming systems
Related topics
Scope & limitations
Geographic scope: Global overview; major production in Canada, Russia, and South Asia (notably India and Nepal), with cultivation for oil, condiment, and cover-crop use worldwide.
Climate context: Cool-season annual crop tolerant of cold and light frost but sensitive to heat stress during flowering and seed set.
- Mustard species differ substantially in pungency, oil content, and typical use, which is not detailed exhaustively here.
- Production statistics change annually and should be taken from primary datasets such as FAOSTAT.
Sources
This article draws on the following authoritative sources. See our sources & methodology for how they are selected.
- [1]FAO — Food and Agriculture Organization (opens in a new tab)Authoritative
Food and Agriculture Organization of the United Nations (FAO)
Cited for: Global oilseed and spice crop production context
- Type:
- Intergovernmental organization
- Jurisdiction:
- Global
- Accessed:
- 2026-07-12
- [2]FAOSTAT — FAO statistical database (opens in a new tab)Authoritative
Food and Agriculture Organization of the United Nations (FAO)
Cited for: Production and area statistics
- Type:
- Intergovernmental organization
- Jurisdiction:
- Global
- Accessed:
- 2026-07-12
- Authoritative
Cited for: Classification and nomenclature
- Type:
- Reference database
- Jurisdiction:
- United States
- Accessed:
- 2026-07-12
- [4]CABI Digital Library — Crop Protection Compendium (opens in a new tab)High
CABI (Centre for Agriculture and Bioscience International)
Cited for: Mustard disease and pest compendium data
- Type:
- Reference database
- Jurisdiction:
- Global
- Accessed:
- 2026-07-12
- [5]European Commission — Agriculture and rural development (opens in a new tab)Authoritative
European Commission, Directorate-General for Agriculture
Cited for: European Brassica crop production context
- Type:
- Government agency
- Jurisdiction:
- European Union
- Accessed:
- 2026-07-12