Grand Slam
ActiveBrassica oleracea L. (White Cabbage Group) · White cabbage
Yusuke KATO, JP
Brassica oleracea L. (White Cabbage Group) White cabbage · Vegetables · bred by Zsolt Galli
also searched as: росберг
10 August 2026
The hybrid matures 52–54 days after transplanting. The plant possesses good plasticity and strong growth vigor, and is distinguished by a high stump.
The heads have a round shape, a green color, and an average weight of 1.6 to 2 kg, although the range may vary from 1.5 to 2.5 kg. The hybrid possesses increased resistance to diseases.
The cabbage is suitable for cultivation in the open field, greenhouses, and under film shelters. The recommended planting density is 55–60 thousand 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Variety registered as early as 1 jurisdiction, data for which we do not publish: their registry licenses have not yet been verified.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.
№ 255527
№ KWI764
№ 2019118
№ 18096012
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
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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
Brassica oleracea L. (White Cabbage Group) · White cabbage
J.E. OHLSENS ENKE A/S
Nearby in the species list Roem van Enkhuizen, Roem van Enkhuizen 2, Roem van Enkhuizen 3, Roi des précoces, Roi des précoces, Rolly, Rolwick, Roncina, Roncol, Ronin, Rotan, Rotonda, Rotondo di Pisa, Round Up YR, Rovana, Roxanne, ROXO DE VIENA, Royal Dynasty, Royal Vantage, ROYAL VANTAGE F1