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Winter Butterkopf

Active

Lactuca sativa L. Lettuce · Vegetables

also searched as: винтер буттеркопф

Variety description

10 August 2026

The variety forms a medium-sized head of regular shape. The leaves are characterized by a tender and succulent texture. It is a synonym for the variety Nansen (Nansen’s Noordpool, Arctic King).

Intended for fresh consumption. Suitable for spring and autumn production; for spring cultivation, the crop is harvested from March to May. Seeds germinate within 7–10 days at temperatures above 12 °C.

Sources7
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Countries of admission

1 jurisdiction

Green indicates countries where the variety is listed in the national catalogue and its seeds are authorized for sale. Expired registrations are marked separately: the variety was previously admitted, but sale is no longer permitted.

active no record

Variety in registries Regions of admission, rights holders, and status of plant breeders' rights

Parties

Applicant
Semenarna Ljubljana (SI) 313 Submitted the application to the register
Maintainer
Semenarna Ljubljana (SI) 313 Responsible for variety maintenance

Admission to trade

The variety is listed in the national registry — its seeds are authorized for sale in this country.

  • SI Slovenia Active

    № LAC029

    Application
    12 February 2018
    Registration
    6 December 2019

Records are sourced from official registry publications. Data sources and legal status

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This is a directory, not an official registry: data is based on public disclosures and may have changed. More about sources

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Nearby in the species list Winalda, Winaria, Winata, Winbee, Windsor, Wingman, Winner, Winnie, Winny, Winos, WINTER DENSITY, Winter Supreme, Winterhaven, Winterina, Winterkönig, Wintermarie, Wintersalad, Wintex, Wintosa, Wintra

Discussion: Winter Butterkopf

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