Vianna

Withdrawn

Delphinium x belladonna hort. ex Bergmans Belladonna delphinium · Ornamentals · bred by Peter Houben

also searched as: вианна

Variety description

10 August 2026

The Vianna variety is characterized by productivity and the ability to rebloom when pruned. The plant reaches a height of about 1 meter, the flowers have a saturated blue hue, and the inflorescences are distinguished by a loose, branched structure.

This variety is grown primarily for cut flowers. For successful development, fertile, well-drained soils are required. Under industrial conditions, the recommended planting density is from 6 to 10 plants per 1 m².

Sources2

Loading…

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

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

Parties

Breeder: Peter Houben 3 Developed the variety
Applicant: Kolster Holding B.V. Submitted the application to the register

Plant breeders' rights

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

European Union № 20230823

Active

Application filed 5 April 2023
Registered —
Entry closed 3 March 2025

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