Coleseed
Brassica napus arvensisfam. Brassicaceae
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Pl. 8D9D — Brassica napus arvensis
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IOverview
Overview
Coleseed (Brassica napus arvensis) is an annual or biennial plant native to France, known for its edible leaves and seeds. This member of the Brassicaceae family thrives in full sun to partial shade, requiring moist soil that can be light (sandy), medium, or heavy (clay). It prefers a pH range of 6 to 7.2 and grows up to 1.2 meters tall. Coleseed is valued for its culinary uses, with both the leaves and seeds being edible. One distinctive feature of this plant is its ability to grow in various soil types, making it adaptable to different environments.
Quick answers
What is Coleseed?
Coleseed (Brassica napus arvensis) is an annual or biennial plant native to France, known for its edible leaves and seeds. This member of the Brassicaceae family thrives in full sun to partial shade, requiring moist soil that can be light (sandy), medium, or heavy (clay).
What is Coleseed used for?
Traditionally used for immune support, digestion. Each claim is evidence-rated — see Section II for full citations.
Best for
Top 2 evidence-ranked uses of Coleseed
Clinicaluses · safety · chemistry · dosagemedicinal profile
IIBenefits & evidence
2 claims · 0 sources
Benefits & evidence
2 claims · 0 sources- Coleseed, a Brassica species, has been traditionally used to support the immune system. Its leaves and seeds are often prepared as a tea or decoction.
The mechanism is not fully characterised but may involve compounds such as glucoraphanin which can be metabolized into sulforaphane, known for its antioxidant properties.
- Coleseed, a member of the Brassicaceae family, has been traditionally used in European herbal medicine for digestive issues. Its seeds and leaves are often prepared as a tea to support digestion.
The mechanism is not fully characterised but may involve glucosinolates which can influence gut microbiota and aid in digestion.
IV·bMixology suggestions
1 draft
Mixology suggestions
1 draftEditorial drafts. These pairings are AI-suggested from traditional herbal lore. Always verify with a qualified herbalist before brewing.
Coleseed support blend
generaltea
AI returned a direct ingredient list; normalized into one draft blend for editorial review.
Growingconditions · propagation · uses
VCultivation
Cultivation
Coleseed thrives in full to partial sun and prefers moist, well-draining soil with a pH between 6 and 7.2. It is hardy in temperate regions (zones 6-9) and can grow up to 1.2 meters tall. For best results, plant Coleseed in light, medium, or heavy soils. Propagate through seeds sown directly into the garden bed after all danger of frost has passed. Harvest leaves and seed for culinary use.
Light
Full sun, Partial sun/shade
Water
Moist
Soil
Light (sandy), Medium, Heavy (clay)
Hardiness
6-9
Life cycle
Annual, Biennial
Habit
Forb/herb
Mature size
1.2 m tall
Soil pH
6–7.2
For first-time growers
How to grow Coleseed for the first time
8steps
Coleseed is a straightforward annual plant for beginners to grow, focusing on basic care and harvesting.
- 1
What you'll need
Seeds or seedlings, a garden plot or container, soil, water.
- 2
Best time to plant
Plant in spring after the last frost, or in late summer for fall harvests.
- 3
Soil and container prep
Prepare well-draining soil with a pH between 6 and 7.2; ensure containers are at least 30 cm deep.
- 4
Sowing or transplanting
Direct sow seeds 1-2 cm deep, spacing them about 30 cm apart; thin seedlings to the same distance.
- 5
First two weeks
Water regularly to keep soil moist but not waterlogged; monitor for pests and diseases.
- 6
Ongoing care
Continue regular watering, especially during dry spells; mulch around plants to retain moisture.
- 7
Harvest or pruning
Prune leaves as needed throughout the growing season; harvest seeds when they turn brown and harden.
- 8
Common mistakes
Overwatering, planting too close together, neglecting to mulch, not harvesting in time.
VIEdible & utility
Edible & utility
Edible parts:LeavesSeed
Edible uses: Oil, Condiment
Other uses:Animal feedCover cropoil
Contextrange · companions · related
VIIDistribution
1 native · 29 introduced
Distribution
1 native · 29 introducedDistribution across4 continents· 1 native· 29 introduced
Europe8 regions
native (1)France
introduced (7)AlbaniaBelgiumBulgariaGreecePortugalRussiaSpain
Asia3 regions
introduced (3)AfghanistanBangladeshJapan
Americas2 regions
introduced (2)BoliviaUnited States
Africa1 region
introduced (1)Algeria
Broader regions
introduced:Amsterdam-St.Paul Is, New Brunswick, Pennsylvania, West Himalaya, Alabama, Alberta, Altay, District of Columbia, Argentina Northeast, Argentina Northwest, Arizona, Arkansas, Baltic States, British Columbia, Buryatiya, California
IXSpecimen gallery
1 image
Specimen gallery
1 imageXSee also
8 related
See also
8 relatedPlants you might compare or use together — scored by shared family (Brassicaceae), common use cases, and growing requirements.
same family · Brassicaceae
Botanical relatives — often share phytochemistry + growing needs.
XI
Explore further
Companion planting
Compare with similar plants
Growing zone
XII
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