Field Mustard

Brassica rapa

Also known as: Pak Choi

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Brassicaceae
Genus:
Brassica
Species:
Brassica rapa

Growth Characteristics

Life Cycle:
Annual | Biennial
Growth Habit:
Forb/herb
Height:
3-4 ft
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
mar, apr, may, jun, jul, aug
Bloom Colors:
yellow

Native Range

United States: Alaska, Alabama, Arkansas, Arizona, California, Colorado, Connecticut, District of Columbia, Delaware, Florida, Georgia, Hawaii, Iowa, Idaho, Illinois, Indiana, Kansas, Kentucky, Louisiana, Massachusetts, Maryland, Maine, Michigan, Minnesota, Missouri, Mississippi, Montana, North Carolina, North Dakota, Nebraska, New Hampshire, New Jersey, New Mexico, Nevada, New York, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Virginia, Vermont, Washington, Wisconsin, West Virginia, Wyoming, Canada: Alberta, British Columbia, Manitoba, New Brunswick, Nova Scotia, Northwest Territories, Ontario, Prince Edward Island, Quebec, Saskatchewan, Yukon

Host Plant for Caterpillars

Alfalfa Looper (Autographa californica), Army cutworm (Euxoa auxiliaris), Bertha armyworm (Mamestra configurata), Black cutworm (Agrotis ipsilon), Bronzed Cutworm (Nephelodes minians), cabbage budworm moth (Hellula phidilealis), Cabbage looper (Trichoplusia ni), cabbage webworm (Hellula undalis), Castor semi-looper (Achaea janata), darksided cutworm (Euxoa messoria), Diamondback moth (Plutella xylostella), dingy cutworm (Feltia jaculifera), European corn borer (Ostrinia nubilalis), Evergestis pallidata, Fall armyworm (Spodoptera frugiperda), fragile anacamptodes moth (Anacamptodes fragilaria), kidney-spotted minor (Lacinipolia renigera), lesser cornstalk borer (Elasmopalpus lignosellus), nutmeg (Discestra trifolii), Old Man Dart (Agrotis vetusta), Setaceous Hebrew Character (Xestia c-nigrum), Small Mocis Moth (Mocis latipes), Striped Garden Caterpillar Moth (Trichordestra legitima), Sweetpotato Armyworm (Spodoptera dolichos), tobacco hornworm (Manduca sexta), underworld dart (Agrotis subterranea), Variegated cutworm (Peridroma saucia), Virginia Tiger Moth (Spilosoma virginica), White-lined sphinx moth (Hyles lineata), Yellow-striped armyworm (Spodoptera ornithogalli), zebra caterpillar moth (Melanchra picta), Checkered White (Pontia protodice), Large Marble (Euchloe ausonides), Sara Orangetip (Anthocharis sara)

Reported Fauna Sightings

Bees: Black-tailed bumble bee (Bombus melanopygus), Black-tailed bumble bee (Bombus melanopygus), Brown-belted bumble bee (Bombus griseocollis), Brown-belted bumble bee (Bombus griseocollis), Tri-colored bumble bee (Bombus ternarius), Tri-colored bumble bee (Bombus ternarius), Yellow bumble bee (Bombus fervidus), Yellow bumble bee (Bombus fervidus)

Soil Requirements

Soil Type:
fertile, well-drained loamy soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
good drainage preferred
Moisture:
consistently moist
Notes:
native to temperate regions with rich soils