Improved Merveille

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Hydrangea macrophylla (Thunb.) Ser. Bigleaf hydrangea · Ornamentals · bred by Information regarding the breeder received in the contribution to CPVO :Merritt

also searched as: импровед мервеилле

Variety description

10 August 2026

The variety «Improved Merveille» appears in scientific literature as a model plant for physiological research, in particular for studying transpiration and evaluating the phytotoxicity of antitranspirants. The plant is used as a pot crop.

Specialized agronomic descriptions of the variety are absent. Within the framework of research, the presence of large leaves and inflorescences prone to rapid wilting under moisture deficit is noted. The variety is not recorded in professional registers as an independent commercial unit; information on breeding is not provided.

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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.

IS FI NO SE EE IE GB DK LV LT NL DE PL BY PT ES FR BE CZ SK UA RU LU CH AT HU MD IT SI HR RS RO MT GR BG CY

active no record

Variety in registries Regions of admission, rights holders, and status of plant breeders' rights

Parties

Breeder: Information regarding the breeder received in the contribution to CPVO :Merritt 12 Developed the variety

Records are sourced from official registry publications. Data sources and legal status

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