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.
Recent years are the most sought-after: the variety is free to use but still in production.
Sorghum bicolor (L.) Moench subsp. bicolor · Sorghum
Euralis Semences FR
Lactuca sativa L. · Lettuce
Graines Gautier SA (FR)
Brassica oleracea L. (Kohlrabi Group) · Kohlrabi
KLEIM| Harald Kleim / AMTHOR| H. Amthor in Fa. Zierpflanzen Erfurt
Rhododendron L. · Azalea
HACHMANN BAUMSCHULE
Dianthus caryophyllus L. · Carnation
NOBBIO GIACOMO
Allium cepa L. var. cepa · Onion
Seminis Vegetable Seeds
Solanum lycopersicum L. · Tomato
Geoponiko Spiti AEBE
Beta vulgaris Sugar Beet Group · Sugar beet
GOLDEN WEST SEED RESEARCH Co.
Beta vulgaris Sugar Beet Group · Sugar beet
Breeding Division of Hellenic Sugar Industry
Lagenaria siceraria (Molina) Standl. · Calabash
Clause Tezier S.A., Bretigny (FR)
Brassica napus var. napus · Rapeseed
Rustica Prograin Genetique SA (FR)
Solanum lycopersicum L. · Tomato
Svalöf Weibull (SE)
Solanum lycopersicum L. · Tomato
W. LEGUTKO PRZEDSIEBIORSTWO HODOWLANO NASIENNE SP.Z.O.O
Allium porrum L. · Leek
Semenarna Ljubljana, SI
Beta vulgaris Fodder Beet Group · Mangelwurzel
Asocijacija ,,Sortsemovošč"
Phaseolus vulgaris L. · Common bean
GOLDEN WEST SEED RESEARCH Co.
Pisum sativum L. · Pea
NOVARTIS SEEDS
Gerbera L. · Gerbera
KWEKERIJ P.E.J. EEUWES HUISEN B.V.
Saintpaulia ionantha H. Wendl. · African violet
Green Circle Growers
Raphanus sativus L. · Radish
Semenarna Ljubljana, SI
Brassica oleracea L. (Kohlrabi Group) · Kohlrabi
De Corato Sementi (IT)
Prunus persica (L.) Batsch · Peach
Toews, Ronald G.|17591 E. Huntsman, Reedley, CA 93654
Vaccinium corymbosum L. · Highbush blueberry
äVANRIK GREEN ENERGYö LTD (GE)
Phaseolus vulgaris L. · Common bean
VAN WAVEREN PFLANZENZUCHT GMBH