H20-02
ActiveHydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea
Ryoji Irie
Hydrangea macrophylla (Thunb.) Ser. Bigleaf hydrangea · Ornamentals · bred by Information regarding the breeder received in the contribution to CPVO :Japan
also searched as: широбана гаку
10 August 2026
The inflorescences of the "Shirobana-Gaku" variety consist of both sterile marginal and fertile inner flowers of white color, not prone to color change during the flowering process. The plant forms a bush about 1.5 meters in height and width. The foliage is large, rounded, up to 20 cm in size.
The variety is intended for ornamental gardening, preferably grown in partial shade due to low resistance to direct sunlight. Frost hardiness zones vary according to different sources from 5 to 9 according to USDA classification. The variety is not used as a cut flower crop.
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.
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 :Blume
Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea
Information regarding the breeder received in the contribution to CPVO :Japan
Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea
Information regarding the breeder received in the contribution to CPVO :Suyama Takuro et al.
Nearby in the species list Sharona, Sheila, Shikizaki, Shin-Ozaki, Shining Angel, Shinkai No Iro, SHINSHIN, SHIPPUJINRAI, Shiro-Fuiri, Shirobana, Shirotemati, Shooting Stars, Showa-Oshima, Shower, Si js je, Sibilla, SICAMU1829, SICAMU2834, SICAMU28341, SICAMU2911