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.
Brassica oleracea L. (White Cabbage Group) · White cabbage
Cent. za povrtar. SP (YU)
Tulipa L. · Tulip
Lilium L. · Lily
Oxalis regnellii Miq. · Purple shamrock
Brassica rapa L. subsp. pekinensis (Lour.) Hanelt · Napa cabbage
Lathyrus odoratus L. · Sweet pea
Lathyrus odoratus L. · Sweet pea
Lathyrus odoratus L. · Sweet pea
Dieffenbachia Schott · Dumbcane
Malus domestica (Suckow) Borkh. · Apple
Chrysanthemum L. · Chrysanthemum
Matricaria recutita L. · German chamomile
Tagetes patula L. · French marigold
Cucumis sativus L. · Cucumber
Semenarna Ljubljana, SI
Anthurium Schott · Anthurium
Gerbera L. · Gerbera
Apium graveolens L. var. rapaceum (Mill.) Gaud. · Celeriac
Brassica rapa L. subsp. chinensis (L.) Hanelt · Bok choy
Incarvillea delavayi Bureau & Franch.
Tulipa L. · Tulip
Brassica oleracea L. (Cauliflower Group) · Cauliflower
Rijk Zwaan (NL)
Solanum lycopersicum L. · Tomato
Franchi Sementi (IT)
Solanum lycopersicum L. · Tomato
Franchi Sementi (IT)
Solanum lycopersicum L. · Tomato
Franchi Sementi (IT)