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: конкверор
10 August 2026
The hybrid forms dense, round-shaped, light green heads weighing from 1.5 to 3 kg. The plant has a powerful root system and an upright leaf apparatus with a strong waxy coating.
The variety is resistant to Fusarium oxysporum, black rot, cracking, and drought, and is capable of maintaining its marketability when left in the field for extended periods. The hybrid is suitable for cultivation in open and protected ground.
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Variety registered as early as 1 jurisdiction, data for which we do not publish: their registry licenses have not yet been verified.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.
№ 254818
№ KWI746
№ 19096011
№ 2021268
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
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.
This is a directory, not an official registry: data is based on public disclosures and may have changed. More about sources
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
RIJK ZWAAN ZAADTEELT EN ZAADHANDEL BV, NL
Brassica oleracea L. (White Cabbage Group) · White cabbage
Nearby in the species list COLUMBIA, Comas, Combinor, Commander, Compactor, Companion, Compass, CONCORDE, Condor, Congama, Conquest, Conquistador, Conquistador II, Constable, Constanta, Consul, Copenhagen market 2, Copenhagen Market 3, Copenhagen market 86, Copenhagen market 86 2