Grand Slam
ActiveBrassica oleracea L. (White Cabbage Group) · White cabbage
Yusuke KATO, JP
Brassica oleracea L. (White Cabbage Group) White cabbage · Vegetables · bred by PRIEUR ROBERT
also searched as: потомак
10 August 2026
The vegetation period of the hybrid is from 70 to 80 days after transplanting. The plant has medium vigor and a semi-upright habit; leaves are dark blue-green in color. The variety is intended for summer production, tolerates heat well, and is capable of standing in the field for a long time.
The heads have a round, slightly flattened shape, a fine internal structure, and a short core. The cabbage is suitable both for sale on the fresh market and for pickling. The hybrid possesses intermediate resistance to black rot and good tolerance to foliar diseases.
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Variety registered as early as 2 jurisdictions, data for which we do not publish: their registry licenses have not yet been verified.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.
№ 255429
№ Potomak
№ 1011843
№ 1002885
№ 49067
Records are sourced from official registry publications. Data sources and legal status
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Nearby in the species list Polestar, Polina, Polinius, Polka, Pomme plat de paris, Pontiac, Pontic, Portland, Porto, Portoza, Pourovo polopozdní, Pourovo pozdní, POVOA AMARELA, Powerslam, Prebor, Précoce de Louviers, Precocissimo conico, Precocissimo di Napoli, Precocissimo primo di tutti, Predator