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 :Wädenswil
also searched as: роцчванз
10 August 2026
The variety forms flat corymbose inflorescences 12–22 cm in diameter. The marginal flowers have a red-raspberry or carmine-red color, which turns purple or violet in acidic soils. The shrub is distinguished by its rounded shape and upright, strong shoots.
The plant height is from 0.9 to 1.5 m in the open field and 0.4–0.6 m when grown in containers. The leaves are dark green, ovate, with serrated margins, acquiring a wine-red hue in autumn. Flowering lasts from July to September on previous year's shoots.
The plant belongs to USDA hardiness zone 6 (down to -23°C) and requires winter protection to preserve flower buds. The variety is moisture-loving, prefers partial shade and wind-protected areas, and does not tolerate calcareous soils.
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.
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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 :Dienemann H.
Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea
Information regarding the breeder received in the contribution to CPVO :Wädenswil
Hydrangea macrophylla (Thunb.) Ser. · Bigleaf hydrangea
Information regarding the breeder received in the contribution to CPVO :Dr Bosse (Friesdorf)
Nearby in the species list Roshidori, Rosita, Rotbart, Rotdrossel, Rotenburg, Rotenfels, Roter Teller, Roter Zwerg, Rotkäppchen, Rotkehlchen, Rotspon, Rouget de Lisle, Royal, Royal Pink, Royal Purple, Rubens, Rubin, Rubis, Ruby Tuesday, Rurinokatsura