Tirza

Active

Brassica oleracea L. (Cauliflower Group) Cauliflower · Vegetables · bred by HAZERA SEEDS B.V.

also searched as: тирза

Variety description

10 August 2026

The hybrid is classified as a mid-season or late variety with a maturity period of about 75 days. The plant features an upright leaf rosette, which facilitates mechanized harvesting and head covering.

The variety has self-covering ability, possesses a healthy lower part, and ensures a uniform harvest. It is intended for cultivation in fertile soils and for fresh market sales. The optimal harvest period spans from late June to mid-October.

Sources2

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Countries of admission

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.

IS FI NO SE EE IE GB DK LV LT NL DE PL BY PT ES FR BE CZ SK UA RU LU CH AT HU MD IT SI HR RS RO MT GR BG CY

active no record

Variety registered as early as 1 jurisdiction, data for which we do not publish: their registry licenses have not yet been verified. This section will be available upon verification.

Variety in registries Regions of admission, rights holders, and status of plant breeders' rights

Parties

Breeder: HAZERA SEEDS B.V. Developed the variety
Applicant: HAZERA SEEDS B.V. Submitted the application to the register
Maintainer: NL - HAZERA SEEDS B.V. Responsible for variety maintenance

Admission to trade

The variety is listed in the national registry — its seeds are authorized for sale in this country.

QZ European Union Active

№ 253419

Registration

17 March 2015
NL Netherlands Active

№ KBL939

Application

31 October 2013

Registration

17 March 2015
GB United Kingdom Active

№ 59/12322

Application

5 October 2018

Registration

30 November 2018

Registry	Number	Application	Registration	Terminated	Status
QZ European Union	253419	—	17 March 2015	—	Active
NL Netherlands	KBL939	31 October 2013	17 March 2015	—	Active
GB United Kingdom	59/12322	5 October 2018	30 November 2018	—	Active

Records are sourced from official registry publications. Data sources and legal status

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