Grand Slam
ActiveBrassica oleracea L. (White Cabbage Group) · White cabbage
Yusuke KATO, JP
Brassica oleracea L. (White Cabbage Group) White cabbage · Vegetables · bred by Willem van Haerke
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10 August 2026
The hybrid belongs to the pointed-head types of cabbage. The plant forms conical heads with light green leaves covered with a light waxy bloom. The growing period is 60–65 days after transplanting.
The head weight can vary from 0.4–0.5 kg to 2.0 kg depending on growing conditions. The hybrid possesses resistance to bolting, cracking, and basal yellowing, and is capable of maintaining marketable qualities in the field for a long time.
The cabbage is intended for fresh consumption and culinary use. In a refrigerator, the produce retains its qualities for up to 2–3 months.
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Variety registered as early as 1 jurisdiction, data for which we do not publish: their registry licenses have not yet been verified.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.
№ 255495
№ KWI433/13827
№ 60081
№ 13096005
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 Rare Ball, Rayma, Rayma F1, Reaction, Reaction F1, Reactor, Reactor F1, Rebel, Record, Referica, Regent, Regent F1, Remedor, Renato, Renova, Replika, REPOLLO RIZADO GALLEGO, Report, Reserva, Resistor