Food · Fermented foods

Wa-shu Nabana (Japanese Rapeseed Flower)

和種なばな (Wa-shu Nabana)

Also known as: Wa-shu nabana, Japanese rapeseed flower, Brassica rapa flower buds, 和種菜花, Nanohana

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At a glance

CategoryFood
Japanese labeling name和種なばな
Common Japanese notations和種なばな, 菜花, なのはな
OriginBrassica rapa flower buds and stalks (Japanese cultivar); spring seasonal vegetable; principal modern production regions Chiba, Tokushima
Typical functionsSpring seasonal foodservice signature, Karashi-ae (mustard-dressed) preparation
Regulatory status in JapanStandard agricultural product labeling. Spring seasonal positioning. Not a designated allergen.

Wa-shu nabana (和種なばな) is the Japanese cultivar of Brassica rapa flower buds and stalks, a defining spring seasonal vegetable. Distinctive aromatic bitterness suits karashi-ae (mustard-dressed) preparations and spring kaiseki.

Classification

Tags below link to other ingredients sharing the same attribute, so you can pivot from one ingredient to its peers.

Functions

Regulatory tags

Common OEM product categories

Finished-product categories where Japanese OEM manufacturers commonly formulate with this ingredient.

  • Fresh wa-shu nabana retail (spring seasonal, January-April)

Ingredient profile

Brassica rapa flower buds and stalks, Japanese cultivar.

OEM applications

Karashi-ae (mustard-dressed).

Spring kaiseki.

For OEM: spring seasonal retail.

Regulatory classification in Japan

Standard food labeling. Not a designated allergen.

Regulatory classification in other markets

EUNiche specialty positioning.
USANiche specialty positioning.
ChinaNiche specialty positioning.
KoreaNiche specialty positioning.

Market reference formulations

Example finished products will be added after verification.

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Related ingredients

References

  1. MEXT Standard Tables of Food Composition — 和種なばな

Last updated: 2026-04-28. Ingredient entries are reviewed at least annually against current regulatory listings.

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