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 :Dirr M.
also searched as: химмад и
10 August 2026
The HYMMAD I variety is a deciduous shrub with a rounded crown shape, reaching a height and width of 1.2–1.5 m. The plant has glossy dark green slightly wrinkled leaves and strong stems capable of holding heavy inflorescences in an upright position.
The inflorescences have a spherical shape and a pure white color, which is maintained regardless of soil composition. As the flowers age, they acquire a greenish tint, while the white sepals are not prone to spotting or turning pink. The variety demonstrates high resistance to powdery mildew and is suitable for USDA hardiness zones 7a–9b.
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Variety registered as early as 1 jurisdiction, data for which we do not publish: their registry licenses have not yet been verified. This section will be available upon verification.
The right is granted for a limited term: propagation of the variety requires a license from the rights holder.
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 :HBA B.V.
Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea
Information regarding the breeder received in the contribution to CPVO :Fotinos P.
Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea
Information regarding the breeder received in the contribution to CPVO :Dirr M.
Nearby in the species list Hoso-Hime-Ajisai, Hovaria, Howaito Daiyamondo, Huakaifugui, Hugh, Hughs Love, Hulk, Hyakunennokoi, Hycativ, HYDone, HYMMAD II, HYMMAD III, HYPIPRO, Iberg, Ice Blue, ICH10162B, Idéal, Idole, Ijsvogel, Immaculata