Grand Slam
ActiveBrassica oleracea L. (White Cabbage Group) · White cabbage
Yusuke KATO, JP
Brassica oleracea L. (White Cabbage Group) White cabbage · Vegetables
also searched as: тревор
10 August 2026
The vegetation period is 65–70 days after transplanting. The plant is characterized by uniformity of yield and good taste qualities.
The variety has resistance to clubroot, bacterial soft rot, cabbage root fly, and tobacco mosaic virus. It also shows tolerance to tipburn and is resistant to pepper spot during storage.
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.
The variety is listed in the national registry — its seeds are authorized for sale in this country.
№ 255711
№ 7867
№ 3109
№ 296R150
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
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
Domaine Public (FR)
Brassica oleracea L. (White Cabbage Group) · White cabbage
Domaine Public (FR)
Brassica oleracea L. (White Cabbage Group) · White cabbage
Nearby in the species list Toskama, Toughma, Tougma F1, Tourima, Très hâtif de Louviers, Traction, Transam, Trappi, Très hâtif d'Etampes, Très hâtif de Louviers, Trigger, Trinidad, Trinity, Triperio, Triperio F1, Triptor, Tristar, Triumf, Tronchuda, Trønder Lunde