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.
Capsicum annuum L. · Bell pepper
Solanum lycopersicum L. · Tomato
Beta vulgaris Garden Beet Group · Garden beet
Semenarna Ljubljana, SI
Raphanus sativus L. · Radish
Raphanus sativus L. var. sativus · Radish
Cichorium intybus L. · Chicory
Raphanus sativus L. var. niger (Mill.) S. Kerner · Black radish
Solanum lycopersicum L. · Tomato
Lactuca sativa L. · Lettuce
Brassica napus L. · Rapeseed
Beta vulgaris Garden Beet Group · Garden beet
Solanum lycopersicum L. · Tomato
Lachenalia Jacq. f. ex Murr. · Cape Cowslip
Cucurbita pepo L. · Field pumpkin
Pisum sativum L. · Pea
Lachenalia Jacq. f. ex Murr. · Cape Cowslip
Pisum sativum L. · Pea
Solanum tuberosum L. · Potato
Allium cepa L. var. cepa · Onion
Lachenalia Jacq. f. ex Murr. · Cape Cowslip
Solanum tuberosum L. · Potato
Zea mays L. subsp. mays (Popcorn Group) · Popcorn
Zea mays L. subsp. mays (Popcorn Group) · Popcorn
Brassica oleracea L. (White Cabbage Group) · White cabbage