Grand Slam
ActiveBrassica oleracea L. (White Cabbage Group) · White cabbage
Yusuke KATO, JP
Brassica oleracea L. (White Cabbage Group) White cabbage · Vegetables · bred by Meinardus P.Boon
also searched as: св3336йб
10 August 2026
Mid-season hybrid with a vigorous plant, possessing high growth power, a semi-erect leaf rosette, and a strong waxy coating. The period from seedling transplanting to technical maturity is 90–100 days.
The heads have a round shape, a dense internal structure, and a short core. The average head weight varies from 3.0 to 5.0 kg. The hybrid is distinguished by heat tolerance, the ability to withstand low humidity, resistance to thrips and cracking, as well as uniformity of ripening.
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.
The variety is listed in the national registry — its seeds are authorized for sale in this country.
№ 255536
№ 12028011
№ KWI647
№ 13096007
The right is granted for a limited term: propagation of the variety requires a license from the rights holder.
More 1 record protections in other jurisdictions are shown on the map above.
Records are sourced from official registry publications. Data sources and legal status
The directory replicates the primary source. If an entry differs from the official publication, please specify the discrepancy and provide a link if possible. Corrections are added to the moderation queue.
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Same species
Brassica oleracea L. (White Cabbage Group) · White cabbage
Yusuke KATO, JP
Brassica oleracea L. (White Cabbage Group) · White cabbage
SYNGENTA SEEDS B.V , NL
Brassica oleracea L. (White Cabbage Group) · White cabbage
Bejo Zaden B.V.
Brassica oleracea L. (White Cabbage Group) · White cabbage
Brassica oleracea L. (White Cabbage Group) · White cabbage
MEINDERT BOON
Brassica oleracea L. (White Cabbage Group) · White cabbage
Meinardus P.Boon
Nearby in the species list Super Action, Super ekstra F1, Super Green, Super kozachok F1, Supermarket F1, Supreme Vantage, Surprise, Surprise F1, Sutri, SV 3394 JH, SV3382JC, SV3384JC, SV3387JC, SV3388JL, SV3389JL, SV3404JL, SV7027JG, Svirel, SW Hampus, SW Hannibal