Hopcorn

Active

Hydrangea macrophylla (Thunb.) Ser. Bigleaf hydrangea · Ornamentals · bred by Jacobus Gerardus Hofstede|Wilhelmus Jacobus Gerardus Hofstede

also searched as: хопкорн

Variety description

10 August 2026

The bush is upright and branched, reaching a height of 70–120 cm. The shoots are strong and rigid, capable of supporting heavy spherical inflorescences with a diameter of up to 15 cm. The leaves are large, fleshy, dark green with serrated edges.

Flowering lasts from July to September. The color of the flowers varies from blue or violet-blue in acidic soils to dark pink or purple-red in alkaline and neutral ones. The plant belongs to hardiness zones 5–6 and requires covering in the conditions of the middle zone.

The variety is remontant and has increased resistance to powdery mildew and leaf spot. It is used in landscape design, suitable for group and solitary plantings, container cultivation, and for cut flowers.

Sources7

Loading…

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

Countries of admission

2 jurisdictions

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Variety registered as early as 2 jurisdictions, data for which we do not publish: their registry licenses have not yet been verified. This section will be available upon verification.

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

Parties

Breeder: Jacobus Gerardus Hofstede^^^Wilhelmus Jacobus Gerardus Hofstede 7 Developed the variety
Applicant: Jacobus Gerardus Hofstede, Wilhelmus Jacobus Gerardus Hofstede 7 Submitted the application to the register
Rights holder: Jacobus Gerardus Hofstede, Wilhelmus Jacobus Gerardus Hofstede 7 Holds the rights to the variety

Plant breeders' rights

The right is granted for a limited term: propagation of the variety requires a license from the rights holder.

European Union № 20050216

Active

Application filed 10 February 2005
Registered 8 December 2008
Currently active indefinite in the register

More 2 records protections in other jurisdictions are shown on the map above.

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

Breeder

Jacobus Gerardus Hofstede|Wilhelmus Jacobus Gerardus Hofstede

breeder code hop

All 7 varieties of company

Registry records

Total records: 4
Jurisdictions shown: 2
Not yet disclosed: 2
First registration: 2008

Same species