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.
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
Vicia faba L. · Broad bean
Brassica oleracea L. (White Cabbage Group) · White cabbage
Bejo Zaden B.V.
Foeniculum vulgare Mill. · Fennel
Zea mays L. · Maize
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
Ribes uva-crispa L. · Gooseberry
Cucurbita pepo L. · Field pumpkin
Avena sativa L. · Oat
Citrullus lanatus (Thunb.) Matsum. & Nakai · Watermelon
Capsicum annuum L. · Bell pepper
Allium porrum L. · Leek
Semenarna Ljubljana, SI
Allium sativum L. · Garlic
Capsicum annuum L. · Bell pepper
Poa pratensis L. · Kentucky bluegrass
Sorghum bicolor (L.) Moench · Sorghum
Daucus carota L. · Carrot
Solanum tuberosum L. · Potato
Allium cepa L. var. cepa · Onion
Zea mays L. subsp. mays (Sweet Corn Group) · Sweet corn
Raphanus sativus L. var. sativus · Radish
Brassica rapa L. subsp. pekinensis (Lour.) Hanelt · Napa cabbage
Capsicum annuum L. · Bell pepper
Rosa L. · Rose