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agronom.cc cultivar database

Public domain

Varieties in the public domain

Plant breeders' rights are granted for a limited term. Upon expiration, the variety enters the public domain: its seeds can be propagated and sold without the rights holder's license.

Varieties
17 808

By year of entering the public domain

Recent years are the most sought-after: the variety is free to use but still in production.

2026 1 754 2025 2 267 2024 2 040 2023 1 891 2022 859 2021 1 395 2020 1 341 2019 1 630 2018 873 2017 1 239 2016 1 088 2015 1 023

Varieties in the public domain

Shamrock

Protection expired

Poa pratensis L. · Kentucky bluegrass

Lesco Inc.

DE
3 records

Shamrock

Protection expired

Phaseolus vulgaris L. · Common bean

NOVARTIS SEEDS

NL
2 records

Serenade Scarlet

Protection expired

Callistephus chinensis (L.) Nees · China aster

Sakata Seed Corporation (SCC)

2 records

Serenade Rose

Protection expired

Callistephus chinensis (L.) Nees · China aster

Sakata Seed Corporation (SCC)

2 records

Serenade Light Blue

Protection expired

Callistephus chinensis (L.) Nees · China aster

Sakata Seed Corporation (SCC)

2 records

Serenade Carmine

Protection expired

Callistephus chinensis (L.) Nees · China aster

Sakata Seed Corporation (SCC)

2 records

Sensational

Protection expired

Fritillaria L. · Fritillary

DE GOEDE WILHELMUS H

NL
2 records

Sensation

Protection expired

Zea mays L. subsp. mays (Maize Group) · Maize

Advanta Seeds B.V. (NL)

FR
2 records

Sensation

Protection expired

Spathiphyllum Schott · Spathiphyllum

Perfect Plants Pothos B.V.

NL
2 records

Semeli

Protection expired

Solanum lycopersicum L. · Tomato

Golden West Seed Co.

GR
2 records

Select

Protection expired

Gossypium hirsutum L. · Upland cotton

BIOS AGROSYSTEMS ABEE

GR
2 records

Sea Foam

Protection expired

Chrysanthemum L. · Chrysanthemum

WALTER H. JESSEL, JR. & WILLIAM E. DUFFETT

DK
2 records

Scorpio

Protection expired

Phaseolus vulgaris L. · Common bean

Syngenta Participations AG

NL
2 records

Schwarze Majo

Protection expired

Phaseolus vulgaris L. · Common bean

Reinsaat Emmelmann Ges.n.b.R.

AT
2 records

Schoene Helena

Protection expired

Pelargonium zonale (L.) L'Hér. · Horseshoe pelargonium

INGEBORG SCHUMANN

DE
2 records

SCHANBIRAN

Protection expired

Rosa L. · Rose

SCHWARTZ E. HAZEL (US)

FR
2 records

Scarlet Bell

Protection expired

Dianthus caryophyllus L. · Carnation

Miyoshi Yukio

NL
2 records

Scaldis

Protection expired

Festuca trachyphylla (Hack.) Hack. · Hard fescue

D.J. van der Have B.V.

DK
2 records

Saturnus

Protection expired

Iris L. · Iris

Hommes B.V.

NL
2 records

Satchmo

Protection expired

Rosa L. · Rose

KORDES' SOEHNE| W. Kordes' Soehne Rosenschulen GmbH & Co KG

DE
2 records

Sarolta

Protection expired

Gerbera L. · Gerbera

Piet Schreurs Holding B.V.

2 records

Saphira

Protection expired

Scaevola L. · Fan-flower

Wilhelm Westhoff

DE
2 records

San Remo

Protection expired

Gerbera L. · Gerbera

SCHREURS PETRUS JUDOCUS WILHELMUS

IT NL
2 records

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