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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

Cooper

Protection expired

Hordeum vulgare L. · Barley

Syngenta UK Ltd

DK EE FR IE PL
13 records

Clermont

Protection expired

Lolium perenne L. · Perennial ryegrass

Mommersteeg International BV (NL)

DE ES FR IE NL
12 records

Christa

Protection expired

Solanum tuberosum L. · Potato

Saka Pflanzenzucht GmbH Co KG

AT DE ES IE NL
11 records

Celeste

Protection expired

Pisum sativum L. · Pea

Nickerson SA (FR)

AT ES FR HU
12 records

Blanka

Protection expired

Solanum tuberosum L. · Potato

ZPC

CZ ES FR IE IT NL
10 records

Bart

Protection expired

Phleum pratense L. · Timothy grass

BARENBRUG HOLLAND

AT DE NL SI SK
10 records

Balthazar

Protection expired

Triticum aestivum L. · Bread wheat

SAS FLORIMOND-DESPREZ Veuve et Fils

BE DK FR HR NL
10 records

Alexa

Protection expired

Beta vulgaris Sugar Beet Group · Sugar beet

SEITZER| Dr. Josef Franz Seitzer in Fa. KWS SAAT AG / JANSEN| Dr. Rudolf Jansen in Fa. KWS SAAT AG / DIENER| Dr. Guenter Diener / TESCHEMACHER| Dr. Helmut Teschemacher

BE DE FR GR NL PL
9 records

Adagio

Protection expired

Hordeum vulgare L. · Barley

Secobra Recherches S.A.S., F-78580 Maule

BG DK FR HU
11 records

Vivia

Protection expired

Solanum lycopersicum L. · Tomato

Syngenta Seeds BV (NL)

CZ ES HR NL SI SK
7 records

Vision

Protection expired

Brassica napus var. napus · Rapeseed

Werner Horn

CZ DE DK FR IE
12 records

Vanessa

Protection expired

Beta vulgaris Sugar Beet Group · Sugar beet

SEITZER| Dr. Josef Franz Seitzer in Fa. KWS SAAT SE / JANSEN| Dr. Rudolf Jansen in Fa. KWS SAAT SE / DIENER| Dr. Guenter Diener / MECHELKE| Dr. Wolfgang Mechelke

BE DE DK FR NL
8 records

Tassilo

Protection expired

Zea mays L. · Maize

APZ Anhaltische Pflanzenzucht GmBH Bernburg

AT DE DK IE SK
9 records

Tarifa

Protection expired

Hordeum vulgare L. · Barley

MATTON CLOVIS

BE DE HR NL SK
8 records

Tanlepam

Protection expired

Rosa L. · Rose

Rosen-Tantau Mathias Tantau Nachfolger

DE FR IT NL PL
8 records

Sylva

Protection expired

Hordeum vulgare L. · Barley

Nordsaat Saatzuchtgesellschaft m.b.H. (DE)

CZ DE FR HU PL
8 records

Sunbelchipi

Protection expired

Petunia Juss. · Petunia

Yasuyuki Murakami

7 records

Stapink

Protection expired

Alstroemeria L. · Alstroemeria

van Zanten Plants b.v

DE DK NL PL
7 records

Stalrobu

Protection expired

Alstroemeria L. · Alstroemeria

VAN STAAVEREN BV (NL)

DK FR NL
7 records

Stalluc

Protection expired

Alstroemeria L. · Alstroemeria

VAN STAAVEREN BV (NL)

DK FR NL
7 records

Splendid

Protection expired

Daucus carota L. · Carrot

Rijk Zwaan B.V.

CZ HR HU NL PL SK
7 records

Snow diamond

Protection expired

Prunus persica (L.) Batsch · Peach

Vernon Langford (US)/Mitchell Langford (US)/Rose-Marie Langford (US)

ES FR IT
7 records

Siberia

Protection expired

Brassica oleracea L. (Savoy Cabbage Group) · Savoy cabbage

Syngenta Seeds B.V. (NL)

CZ HR HU NL PL SK
8 records

Ruinanny

Protection expired

Rosa L. · Rose

RUITER'S| De Ruiter's Nieuwe Rozen B.V.

DE DK FR NL SE
7 records

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