Rape

Brassica napus

Taxonomy

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

Growth Characteristics

Life Cycle:
Annual | Biennial
Growth Habit:
Forb/herb
Height:
4-6 ft
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
mar, apr, may, jun, jul, aug
Bloom Colors:
yellow
Landscaping Shrub:
Yes

Native Range

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

Host Plant for Caterpillars

Armyworm moth (Pseudaletia unipuncta), Bertha armyworm (Mamestra configurata), cabbage budworm moth (Hellula phidilealis), cabbage webworm (Hellula rogatalis), darksided cutworm (Euxoa messoria), kidney-spotted minor (Lacinipolia renigera), nutmeg (Discestra trifolii), Striped Garden Caterpillar Moth (Trichordestra legitima), tobacco hornworm (Manduca sexta), Yellow-striped armyworm (Spodoptera ornithogalli), zebra caterpillar moth (Melanchra picta), Large Marble (Euchloe ausonides), Sara Orangetip (Anthocharis sara)

Reported Fauna Sightings

Bees: Fuzzy-horned bumble bee (Bombus mixtus), Fuzzy-horned bumble bee (Bombus mixtus), Two-spotted bumble bee (Bombus bimaculatus), Two-spotted bumble bee (Bombus bimaculatus), van Dyke bumble bee (Bombus vandykei), van Dyke bumble bee (Bombus vandykei), Western bumble bee (Bombus occidentalis), Western bumble bee (Bombus occidentalis)

Soil Requirements

Soil Type:
fertile, well-drained loamy soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
good drainage required
Moisture:
consistently moist
Notes:
prefers nutrient-rich conditions