Grand Slam
ActiveBrassica oleracea L. (White Cabbage Group) · White cabbage
Yusuke KATO, JP
Brassica oleracea L. (White Cabbage Group) White cabbage · Vegetables · bred by Ger Beemsterboer
also searched as: катарина
10 August 2026
The hybrid belongs to the very early or mid-early maturity group; the period from transplanting to technical maturity takes 50–58 days. The plant forms an upright or horizontal rosette of grey-green leaves with a medium intensity of waxy bloom.
The heads have a round shape, high density, and a weight of 0.6 to 1.8 kg. In cross-section, the produce is whitish or yellowish in color; the external core is very short, and the internal core is of medium length. The hybrid is distinguished by resistance to diseases and bolting; it is recommended for planting at a density of 45,000–55,000 plants per hectare.
3 jurisdictions
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.
Variety registered as early as 2 jurisdictions, data for which we do not publish: their registry licenses have not yet been verified. This section will be available upon verification.
The variety is listed in the national registry — its seeds are authorized for sale in this country.
№ 255159
№ KWI617
№ 62532
№ 2014177
№ 14096013
The right is granted for a limited term: propagation of the variety requires a license from the rights holder.
Records are sourced from official registry publications. Data sources and legal status
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Nearby in the species list Kaporal F1, Karate, Karembo, Karla, Karlla, Karlo, Karma, Karni, Karntner Steirische gebirgskraut, Kasta, Katator, Katerix, Kaunter F1, Kawaler, KBN106, KBN117, KBN118, Kebton F1, Kendi, Kentavr