H20-02
ActiveHydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea
Ryoji Irie
Hydrangea macrophylla (Thunb.) Ser. Bigleaf hydrangea · Ornamentals · bred by Shouji SAKAMOTO (JP)
also searched as: мрс кумико
10 August 2026
The variety forms a compact shrub about 1.2 meters high with broadly ovate green leaves with serrated edges. The inflorescences are large, spherical, consisting of flowers with light pink petals, which have characteristic fringed edges and often a creamy-white center.
Flower color depends on soil acidity and can take on bluish shades on acidic substrates. The plant is characterized by vigorous growth and abundant flowering in the summer period. It prefers partial shade and moist, fertile soils.
The variety is used as an ornamental crop in open field and containers, suitable for cutting and drying. It is a deciduous plant with sturdy inflorescences.
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.
Variety registered as early as 1 jurisdiction, data for which we do not publish: their registry licenses have not yet been verified.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.
breeder code Mrs Kumiko
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.
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.
The right is granted for a limited term: propagation of the variety requires a license from the rights holder.
More 2 records protections in other jurisdictions are shown on the map above.
Records are sourced from official registry publications. Data sources and legal status
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
Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea
Ryoji Irie
Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea
Michael Dirr
Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea
Kolk Jacobus W. P.|1187 NK Amstelveen, NL
Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea
Information regarding the breeder received in the contribution to CPVO :Jones H. J.
Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea
Information regarding the breeder received in the contribution to CPVO :Mouillère E.
Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea
Information regarding the breeder received in the contribution to CPVO :Jones H. J.
Nearby in the species list Mousmée, Mousseline, Mrs A. Simmonds, Mrs Alice Blandy, Mrs. Baardse, Mrs Charles Davis, Mrs Chas. Davis, Mrs Chas. Mills, Mrs F. Huggett, Mrs H. J. Jones, Mrs L. J. Endtz, Mrs Norman Luff, Mrs R. F. Felton, Mrs W. J. Hepburn, Mücke, München, Münster, Mug, Multi Purple, Muse Factory Apollon