H18-12

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Hydrangea macrophylla (Thunb.) Ser. Bigleaf hydrangea · Ornamentals · bred by Ryoji Irie

also searched as: х18 12

Variety description

10 August 2026

The variety has the commercial name Peace and belongs to the You&Me series. A distinctive characteristic is the ability to rebloom on shoots of the previous and current year.

The inflorescences consist of double flowers colored in greenish-white tones. The bush is characterized by upright strong flower stalks and can grow up to 150 cm. Frost resistance corresponds to USDA zone 6b.

The plant is used in landscape design for decorating gardens, balconies, and terraces, and is suitable for cultivation in open field or containers.

Sources3

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Countries of admission

1 jurisdiction

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

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Also known as

breeder code h18-12

A single variety may be registered in different countries under different names. All records are consolidated into one profile based on the breeder's code—an internal number that is identical for the variety across all registries.

H18-12 primary QZ
H1812 QZ

The primary name shown is the one under which the variety is registered in the largest number of jurisdictions. Search finds the variety by any of its names.

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

Parties

Breeder: Ryoji Irie 50 Developed the variety
Applicant: Ryoji Irie 50 Submitted the application to the register
Rights holder: Ryoji Irie 50 Holds the rights to the variety

Plant breeders' rights

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

European Union № 20092147

Active

Application filed 21 October 2009
Registered 7 May 2012
Currently active indefinite in the register

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

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Breeder

Ryoji Irie

breeder code h18-12

All 50 varieties of company

Registry records

Total records: 1
Jurisdictions shown: 1
First registration: 2012

Same species