Grand Slam
ActiveBrassica oleracea L. (White Cabbage Group) · White cabbage
Yusuke KATO, JP
Brassica oleracea L. (White Cabbage Group) White cabbage · Vegetables · bred by VAN DER PLOEG SJAAK
also searched as: мавунор
10 August 2026
Mid-season hybrid, the vegetation period of which is 75–85 days after transplanting. The plant is characterized by vigorous growth and high adaptability to various climatic conditions, including resistance to summer heat and short-term frosts.
The head has a round-flattened shape and a dense structure, with weight varying from 2 to 4 kg. The color of the leaves is green, sometimes with a violet-blue tint. The hybrid is resistant to Fusarium, necrosis, and damage by thrips, and also stays in the field for a long time without cracking.
The produce is of universal purpose, suitable for fresh market, culinary use, and fermentation, and is characterized by good keeping quality during storage. In a number of cases, the hybrid is classified as a "Varaždin" type cabbage.
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Variety registered as early as 2 jurisdictions, data for which we do not publish: their registry licenses have not yet been verified.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.
№ 255278
№ KWI670
№ 67405
№ 2016067
№ 15096011
№ 16096014
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 Marshal, Marta, Marvellon, Marwei, Marysia, Masada, Mastercut, Mastodon, Matsumo, Matsuri F1, Mayfield, Mc Cartney, MEDIA, Mediouma, Megaton, Megenor, MEIO PÉ, Melton, Memphis, Mentor