H20-02
ActiveHydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea
Ryoji Irie
H21-3
ActiveHydrangea macrophylla (Thunb.) Ser. Bigleaf hydrangea · Ornamentals · bred by Ryoji Irie
also searched as: х21 3
Variety description
10 August 2026
The variety is a shrub with erect, strong stems reaching a height of 60 to 150 cm. The plant has large, broad-oval foliage of a dark green shade.
The inflorescences consist of many narrow pointed petals, forming a double star-shaped structure. The flower coloration is intense, dark pink (fuchsia), with characteristic greenish centers.
The plant is reblooming, forming inflorescences in the early and late summer. The variety possesses resistance to lodging and is recommended for cultivation in USDA hardiness zones 5–6 to 9.
Sources6
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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.
Variety registered as early as 3 jurisdictions, data for which we do not publish: their registry licenses have not yet been verified. This section will be available upon verification.
Also known as
breeder code h21-3
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.
- H21-3 primary KR, QZ, US
- H213 GB, 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
- Maintainer
- Ryoji Irie 50 Responsible for variety maintenance
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
№ 14545874
Active
- Application filed 30 June 2015
- Registered 25 April 2017
- Currently active indefinite in the register
More 3 records protections in other jurisdictions are shown on the map above.
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
Same species
Other varieties: Bigleaf hydrangea
PIIHM-II
ActiveHydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea
Michael Dirr
Lolly Pop
ActiveHydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea
Kolk Jacobus W. P.|1187 NK Amstelveen, NL
FR
6 records
H18-12
ActiveHydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea
Ryoji Irie
H211901
ActiveHydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea
Hydrangea Breeders Association B.V.
Nearby in the species list Gull, Gypsy, Gyselheer, H. B. May, H. C. Zwart, H. Gerritse, H. J. Jones, H. Seidel, H18-12, H20-02, H211901, H211902, H211903, H211904, H211905, H211906, H211907, H211908, H212904, H212905