Hamburg Blue

Active

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

also searched as: хамбург блуе

Variety description

10 August 2026

The plant reaches a height of 1–1.5 m with a crown width of about 0.9–1.3 m. Leaves are oval-shaped with serrated edges. Flowering is intensive, lasting from June to September.

The variety prefers moist, fertile, humus-rich, and slightly acidic soils. Hardiness zone 6; in regions with cold climates, protection of flower buds from frost is required. To ensure ornamental quality, placement in partial shade with protection from wind is recommended.

Used in landscape design as a solitary plant or in group plantings, as well as a container crop for terraces and balconies. Inflorescences are suitable for cutting and creating floral arrangements.

Sources8

Loading…

The list of sources is loaded via script—please enable JavaScript.

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 :Schadendorff H. 17 Developed the variety

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

Found an error in the record?

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