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.
Pisum sativum L. · Pea
SLUIS & GROOT BV (NL)
Pelargonium L'Hér. ex Ait. · Geranium
Christa Hofmann (DE)
Beta vulgaris Sugar Beet Group · Sugar beet
Breeding Division of Hellenic Sugar Industry
Hordeum vulgare L. · Barley
Lemaire-Deffontaines
Triticum durum Desf. · Durum wheat
Coop de Pau SCA (FR)
Vicia faba L. · Broad bean
Nickerson Zwaan
Rosa L. · Rose
Warriner, William A.|Tustin, CA
Rosa L. · Rose
Warriner, William A.|Tustin, CA
Brassica oleracea L. (White Cabbage Group) · White cabbage
Bejo Zaden B.V.
Cucumis sativus L. · Cucumber
Golden West Seed Co.
Dianthus caryophyllus L. · Carnation
G.NOBBIO
Helianthus annuus L. · Sunflower
Interstate Seed Company (US)
Phaseolus vulgaris L. · Common bean
Golden West Seed Co.
Lilium L. · Lily
McRae, Edward A|Boring, OR
Zea mays L. subsp. mays (Maize Group) · Maize
FUNK FRANCE (FR)
Phaseolus vulgaris L. · Common bean
WAVEREN| van Waveren Saaten GmbH
Brassica oleracea L. (White Cabbage Group) · White cabbage
Kees Broersen Zaden
Anthurium Schott · Anthurium
VLETTER M.| M. Vletter
Solanum melongena L. · Eggplant
HAO-DEMETER Vine, Fruit Trees and Vegetable Research Institute
Beta vulgaris Sugar Beet Group · Sugar beet
Breeding Division of Hellenic Sugar Industry
Zea mays L. · Maize
DEKALB AGR. RESEARCH INC.
Capsicum annuum L. · Bell pepper
GOLDEN WEST SEED RESEARCH Co.
Solanum lycopersicum L. · Tomato
NIRIT SEEDS
Rosa L. · Rose
INTERPLANT BV (NL)