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White Castle

Active

Allium cepa L. var. cepa Onion · Vegetables · bred by CROOKHAM COMPANY

also searched as: вхите кастле

Variety description

10 August 2026

The variety belongs to the short-day category and is characterized as a main or late-season onion. The plant has erect leaves, a well-developed root system, and increased resistance to stress factors, including bolting.

The bulbs have a perfect globe shape and large size, distinguished by a high percentage of specimens with a single growing point. The variety has high tolerance to pink root rot and Fusarium. The produce is suitable for storage for 3–4 months.

Sources4
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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.

QZ

active no record

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

Parties

Breeder
Crookham Company Inc. 88 Developed the variety
Applicant
Crookham Company Inc. 88 Submitted the application to the register
Rights holder
Crookham Company Inc. 88 Holds the rights to the variety
Maintainer
NL - NO NAME 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

    № 250538

    Registration
    22 October 2019
  • NL Netherlands Active

    № UIG1114

    Application
    27 September 2019
    Registration
    22 October 2019

Plant breeders' rights

The right is granted for a limited term: propagation of the variety requires a license from the rights holder.

European Union № 20122843
Terminated
  1. Application filed 19 December 2012
  2. Registered 6 June 2016
  3. Entry closed 5 June 2020

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

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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

Other varieties: Onion

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Allium cepa L. var. cepa · Onion

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Allium cepa L. var. cepa · Onion

CROOKHAM COMPANY

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2 records

Allium cepa L. var. cepa · Onion

CROOKHAM COMPANY

NL
3 records

Nearby in the species list Warrior, Warsa, Watra, Wayne, Wega, Wembley, Wenta, White Album, White Bunching, White cap, White Cloud, White Dawn, White Diamond, White Ebenezer, White Express, White Fox, White Hawk, White Keeper, White Knight, White Line

Discussion: White Castle

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