Grand Slam
ActiveBrassica oleracea L. (White Cabbage Group) · White cabbage
Yusuke KATO, JP
Brassica oleracea L. (White Cabbage Group) White cabbage · Vegetables · bred by RIJK ZWAAN ZAADTEELT EN ZAADHANDEL BV, NL
also searched as: такома
10 August 2026
The plant is vigorous, with large blue-green foliage and a pronounced waxy bloom. The internal structure of the head features a fine, tender, whitish-yellow texture. The heads are capable of remaining in the field without cracking for up to two weeks after reaching technical maturity.
The hybrid possesses high resistance to Fusarium wilt (Foc:1) and intermediate resistance to black rot (Xcc), as well as tolerance to thrips infestation. The crop is adapted to various climatic conditions, including heat and high humidity, and is suitable for cultivation in open and protected ground at a planting density of 35,000–50,000 plants per hectare.
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.
Variety registered as early as 2 jurisdictions, data for which we do not publish: their registry licenses have not yet been verified.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.
№ 255665
№ KWI550/19026
№ 63634
№ 0914571
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
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
Brassica oleracea L. (White Cabbage Group) · White cabbage
Brassica oleracea L. (White Cabbage Group) · White cabbage
Rijk Zwaan Zaadteelt en Zaadhandel B.V.
Nearby in the species list SW Hannibal, SW Nordpol, SW Pirat, Sweety, Swingma, Szarada Późna, Szatmar, Szentesi korai, Szentesi lapos, Taborske, Tacoma F1, Tactic, Täte, Talamond, Talent, Tamarindo, Tamino, Tampa, Tamtam, Tamuz