Blue Knight

Active

Poa pratensis L. Kentucky bluegrass · Agricultural · bred by Ledeboer Seed LLC

also searched as: блуе книгхт

Variety description

10 August 2026

The variety belongs to the Compact America group and is used for forming high-quality lawns with good texture. It is suitable for inclusion in grass mixtures with fescue or ryegrass for park and sports facilities.

The plant requires increased volumes of irrigation, consuming about 3.3 mm of water per day and more under drought conditions. Resistance to diseases and stress factors in this variety may vary.

Sources8

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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

terminated 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Variety registered as early as 1 jurisdiction, data for which we do not publish: their registry licenses have not yet been verified.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: Ledeboer Seed LLC 12 Developed the variety
Applicant: Ledeboer Seed LLC 12 Submitted the application to the register
Maintainer: IT - DLF-TRIFOLIUM A/S 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 Terminated

№ 206489

Registration

20 March 2003

Terminated

26 February 2010
IT Italy Terminated

№ 007723_A 007723

Application

7 January 2000

Registration

20 March 2003

Terminated

26 February 2010

Registry	Number	Application	Registration	Terminated	Status
QZ European Union	206489	—	20 March 2003	26 February 2010	Terminated
IT Italy	007723_A 007723	7 January 2000	20 March 2003	26 February 2010	Terminated

Plant breeders' rights

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

United States of America № 200100267

Active

Application filed 29 August 2001
Registered 15 June 2005
Currently active indefinite in the register

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

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This is a directory, not an official registry: data is based on public disclosures and may have changed. More about sources

Breeder

Ledeboer Seed LLC

breeder code LF-300

All 12 varieties of company

Registry records

Total records: 5
Jurisdictions shown: 2
Not yet disclosed: 1
First registration: 2003

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