Skip to content

Porthos

Active

Hybrids between Prunus fruticosa Pall. and Prunus cerasus L. · Fruit crops · bred by Robert H. Bors

also searched as: портос

Variety description

10 August 2026

The plant is a compact shrub approximately 2.0 meters tall with a semi-erect crown shape. The variety is self-fertile and distinguished by high winter hardiness.

The fruits are large, dark red, and oblate in shape. The variety matures in the mid-season. The crop is positioned as suitable for small gardens and container cultivation.

Sources4
  • Loading…

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.

QZ

no record

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

Parties

Breeder
Robert H. Bors 5 Developed the variety
Applicant
University of Saskatchewan 513 Submitted the application to the register
Rights holder
University of Saskatchewan 513 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 № 20173083
Terminated
  1. Application filed 22 December 2017
  2. Registered 20 March 2023
  3. Entry closed 7 July 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

Other varieties: Hybrids between Prunus fruticosa Pall. and Prunus cerasus L.

All 6 varieties of species

VSL 2.1

Terminated

Hybrids between Prunus fruticosa Pall. and Prunus cerasus L.

Budzynskyi Oleksandr Serhiiovych,Yarmoliuk Ivan Savych,

UA
1 record

VSL 2.2

Active

Hybrids between Prunus fruticosa Pall. and Prunus cerasus L.

Matsenko Maksym Oleksandrovych

UA
2 records

VSL 2.3

Active

Hybrids between Prunus fruticosa Pall. and Prunus cerasus L.

STOV «ENOHRAI»

UA
2 records

Athos

Active

Hybrids between Prunus fruticosa Pall. and Prunus cerasus L.

Robert H. Bors

2 records

GISELA 5

Terminated

Hybrids between Prunus fruticosa Pall. and Prunus cerasus L.

GRUPPE WERNER

RO
1 record

Nearby in the species list Athos, GISELA 5, VSL 2.1, VSL 2.2, VSL 2.3

Discussion: Porthos

0 messages

Growing experience and notes on the entry. Comments are not part of the reference data and are not verified against primary sources.

Comments are open to signed-in readers. Sign in · Sign up