Grand Slam
ActiveBrassica oleracea L. (White Cabbage Group) · White cabbage
Yusuke KATO, JP
Brassica oleracea L. (White Cabbage Group) White cabbage · Vegetables · bred by HM Clause Inc (US)
also searched as: тундерхеад
10 August 2026
The plant is characterized by a compact shape and uniform development, and possesses high field-holding ability. The hybrid is resistant to Fusarium oxysporum and splitting, has intermediate resistance to Xanthomonas campestris, and high tolerance to thrips damage.
The variety is intended for fresh market sales and processing. The produce is characterized by good taste qualities and suitability for storage.
2 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.
The variety is listed in the national registry — its seeds are authorized for sale in this country.
№ 255686
№ 4058082
№ 4060803
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
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Nearby in the species list Testa di pietra, Tête de pierre, Texas, Texor, Thalia, Thalys, Thema, Theras, Theras F 1, Thomas, Thurner, Tiara, Tiara F1, TIDLIG DITMARSKER 'EGA', TIDLIG DITMARSKER 'SPECIAL', Tidling, Tiesto, Tigre, Timberlake, Timon