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
Golden West Seed Co.
Allium cepa L. var. cepa · Onion
Bejo Zaden B.V., De Groot en Slot B.V.
Brassica oleracea L. (Red Cabbage Group) · Red cabbage
Bejo Zaden B.V.
Gerbera L. · Gerbera
BOERS PETER
Beta vulgaris Sugar Beet Group · Sugar beet
Lion Seeds LTD (GB)
Zea mays L. subsp. mays (Maize Group) · Maize
Coop de Pau SCA (FR)
Kalanchoe Adans. · Kalanchoe
FGB B.V.
Iris L. · Iris
NYSSEN P. & ZN
Tulipa L. · Tulip
KATER G
Brassica oleracea L. (Red Cabbage Group) · Red cabbage
Lilium L. · Lily
FLOOR VLETTER
Chrysanthemum L. · Chrysanthemum
Fides
Gerbera L. · Gerbera
HOOGENBOOM MARTIN J.
Gerbera L. · Gerbera
HOOGENBOOM A.M.A.
Solanum lycopersicum L. · Tomato
GOLDEN WEST SEED RESEARCH Co.
Chrysanthemum L. · Chrysanthemum
Andreas Niederländer
Freesia Eckl. ex Klatt · Freesia
M. VAN VEEN B.V.
Dianthus caryophyllus L. · Carnation
J.J.HILVERDA
Solanum lycopersicum L. · Tomato
Golden West Seed Co.
Phaseolus vulgaris L. · Common bean
INAKTIV Erbe/Erbengemeinschaft Walter Hild
Dianthus caryophyllus L. · Carnation
J.J.HILVERDA
Dianthus caryophyllus L. · Carnation
Maarten Jacob Tas
Dianthus caryophyllus L. · Carnation
J.J.HILVERDA
Dianthus caryophyllus L. · Carnation
J.J.HILVERDA