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. (Cauliflower Group) · Cauliflower
Chrysanthemum L. · Chrysanthemum
Gerbera L. · Gerbera
Gerbera L. · Gerbera
Lilium L. · Lily
Brassica oleracea L. (Red Cabbage Group) · Red cabbage
Freesia Eckl. ex Klatt · Freesia
Rosa L. · Rose
Lactuca sativa L. · Lettuce
Festuca pratensis Huds. · Meadow fescue
Alstroemeria L. · Alstroemeria
Rosa L. · Rose
Dianthus caryophyllus L. · Carnation
Gladiolus L. · Gladiolus
Gerbera L. · Gerbera
Rosa L. · Rose
Limonium gmelinii (Willd.) Kuntze
Gerbera L. · Gerbera
Freesia Eckl. ex Klatt · Freesia
Moluccella laevis L.
Gypsophila paniculata L. · Baby's-breath
Goeppertia crocata (É. Morren & Joriss.) Borchs. & S. Suárez
Tulipa L. · Tulip
Ageratum houstonianum Mill. · Flossflower