Marrow-Stem Kale
Brassica oleracea medullosafam. Brassicaceae
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Pl. 3180 — Brassica oleracea medullosa
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IOverview
Overview
Marrow-Stem Kale (Brassica oleracea medullosa) is a biennial or perennial plant known for its edible shoots and is native to France, Great Britain, and Spain. This member of the Brassicaceae family thrives in moist, light to heavy soils with a pH between 7 and 7.5. It can be propagated by sowing seeds indoors and transplanting them outside. Marrow-Stem Kale grows up to 0.9 meters tall and is distinguished by its light texture and moisture preference, making it adaptable to various soil types while requiring well-drained conditions for optimal growth.
Quick answers
What is Marrow-Stem Kale?
Marrow-Stem Kale (Brassica oleracea medullosa) is a biennial or perennial plant known for its edible shoots and is native to France, Great Britain, and Spain. This member of the Brassicaceae family thrives in moist, light to heavy soils with a pH between 7 and 7.
What is Marrow-Stem Kale 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 Marrow-Stem Kale
Clinicaluses · safety · chemistry · dosagemedicinal profile
IIBenefits & evidence
2 claims · 0 sources
Benefits & evidence
2 claims · 0 sources- Marrow-stem kale, like other Brassica species, is traditionally used to support the immune system. Consuming a tea made from its leaves may provide antioxidants and vitamins that help maintain overall health.
Kale contains glucoraphanin which is converted into sulforaphane in the body, known for its antioxidant properties and ability to activate Nrf2 pathways involved in immune response.
- Kale, including marrow-stem kale, has been traditionally used in European herbalism to support digestive health. A decoction of the leaves may help soothe an upset stomach and promote healthy digestion.
The glucoraphanin found in kale is metabolized into sulforaphane, which supports gut health by enhancing the activity of phase II detoxification enzymes and reducing inflammation.
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.
Marrow-Stem Kale support blend
generaltea
AI returned a direct ingredient list; normalized into one draft blend for editorial review.
Growingconditions · propagation · uses
VCultivation
Cultivation
Marrow-Stem Kale thrives in light to medium soil types with a pH between 7 and 7.5, making it adaptable to various conditions. It prefers moist soil but can tolerate drier environments better than some other brassicas. Sow seeds indoors for transplanting outside once the weather warms up. This biennial or perennial plant grows to about 0.9 meters tall and is hardy in temperate regions. Ensure it receives plenty of light, as it rates an 8 out of 10 on light requirements. Regular watering will keep this kale healthy and productive.
Light
8/10
Water
Moist
Soil
Light (sandy), Medium, Heavy (clay)
Life cycle
Biennial, Perennial
Habit
Forb/herb
Mature size
0.9 m tall
Soil pH
7–7.5
- Propagation
- "Sow seeds indoors and transplant outside
- Seed viability
- 3 to 7 years
For first-time growers
How to grow Marrow-Stem Kale for the first time
8steps
Start with easy indoor sowing for Marrow-Stem Kale, perfect for beginners.
- 1
What you'll need
Seeds, seed trays or small pots, potting mix.
- 2
Best time to plant
Sow seeds indoors about 6-8 weeks before the last frost date in your area.
- 3
Soil and container prep
Use a well-draining potting mix. Ensure containers are at least 30 cm deep for good root growth.
- 4
Sowing or transplanting
Plant seeds 1-2 cm deep in trays, keep moist until germination. Once seedlings have two true leaves, transplant them to larger pots or the garden.
- 5
First two weeks
Keep soil consistently moist and provide bright light. Transplant outside after all danger of frost has passed.
- 6
Ongoing care
Water regularly, especially during dry spells. Fertilize lightly every 4-6 weeks with a balanced organic fertilizer.
- 7
Harvest or pruning
Prune by cutting off the largest leaves as needed to encourage new growth and prevent bolting.
- 8
Common mistakes
Overwatering, planting too deep, neglecting to harden off seedlings before transplanting.
VIEdible & utility
Edible & utility
Edible parts:Shoots
Edible uses: Marrow-Stem Kale is edible, with its shoots being the main part consumed. Typically, these shoots are harvested and prepared by cooking or using them raw in salads. They can also be dried for later use. SKIP
Contextrange · companions · related
VIIDistribution
3 native · 27 introduced
Distribution
3 native · 27 introducedDistribution across4 continents· 3 native· 27 introduced
Europe10 regions
native (3)FranceSpainUnited Kingdom
introduced (7)AlbaniaBelarusBelgiumBulgariaPortugalRussiaSpain
Asia3 regions
introduced (3)BangladeshChinaIndia
Americas3 regions
introduced (3)Costa RicaEcuadorEl Salvador
Africa2 regions
introduced (2)AlgeriaEthiopia
Broader regions
introduced:Antipodean Is., Baltic States, Czechoslovakia, California, Caroline Is., Chatham Is., Chile South, Connecticut, Crozet Is., East Himalaya, Easter Is., Falkland Is.
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
Health goals
Compare with similar plants
XII
About this entry
- Last updated
- Citation
- How to cite this entry · Submit a correction
Back to the cataloguePlant id · 31802b22-7935-4604-b378-72dc96803252
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