Genus
Zantedeschia
42 US plant patents have been granted in this genus. 12 are already in the public domain — anyone may propagate and sell them. The next of the 30 still protected comes off patent on December 22, 2026.
Still under patent — 30 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- OdessaPP18833Calla Lily plant named ‘Odessa’UNDER PATENTDecember 22, 2026
- Snow whitePP19830Zantedeschia plant named ‘Snow white’UNDER PATENTFebruary 27, 2028
- Merlot BLZPP19867Calla Lily Plant Named ‘Merlot BLZ’UNDER PATENTApril 21, 2028
- Captain AmigoPP20736Zantedeschia plant named ‘Captain Amigo’UNDER PATENTJuly 17, 2028
- CAPTAIN AGUILAPP21244Zantedeschia plant named ‘CAPTAIN AGUILA’UNDER PATENTFebruary 27, 2029
- Captain VenturaPP21245Zantedeschia plant named ‘Captain Ventura’UNDER PATENTFebruary 27, 2029
- FlamingoPP21134Zantedeschia plant named ‘Flamingo’UNDER PATENTMarch 27, 2029
- PacoPP24246Variety of calla lily named ‘Paco’UNDER PATENTDecember 21, 2031
- AspenPP24245Variety of calla lily named ‘Aspen’UNDER PATENTDecember 27, 2031
- CalgaryPP24275Variety of calla lily named ‘Calgary’UNDER PATENTDecember 27, 2031
- CAPTAIN ODEONPP25431Zantedeschia plant named ‘CAPTAIN ODEON’UNDER PATENTAugust 27, 2033
- CAPTAIN LOVELYPP25562Zantedeschia plant named ‘CAPTAIN LOVELY’UNDER PATENTNovember 6, 2033
- Angel White OnePP27020Zantedeschia plant named ‘Angel White One’UNDER PATENTJuly 23, 2034
- CAPTAIN SOLOPP26702Zantedeschia plant named ‘CAPTAIN SOLO’UNDER PATENTSeptember 23, 2034
- Royal PrincessPP27021Zantedeschia plant named ‘Royal Princess’UNDER PATENTJanuary 12, 2035
- Royal PumpkinPP27219Zantedeschia plant named ‘Royal Pumpkin’UNDER PATENTApril 25, 2035
- HalifaxPP28165Variety of calla lily plant named ‘Halifax’UNDER PATENTDecember 17, 2035
- NashvillePP28148Variety of calla lily plant named ‘Nashville’UNDER PATENTDecember 23, 2035
- ZazuPP28164Variety of calla lily plant named ‘Zazu’UNDER PATENTDecember 23, 2035
- FangioPP28196Variety of calla lily plant named ‘Fangio’UNDER PATENTDecember 23, 2035
- VermontPP28146Variety of calla lily plant named ‘Vermont’UNDER PATENTDecember 30, 2035
- FireworksPP28147Variety of calla lily plant named ‘Fireworks’UNDER PATENTDecember 30, 2035
- DenverPP28267Variety of calla lily plant named ‘Denver’UNDER PATENTDecember 30, 2035
- FursaPP29119Variety of calla lily plant named ‘Fursa’UNDER PATENTJanuary 24, 2036
- MontevideoPP28870Variety of calla lily plant named ‘Montevideo’UNDER PATENTMarch 5, 2036
- Black HeroPP28871Variety of calla lily plant named ‘Black Hero’UNDER PATENTMarch 5, 2036
- HavanaPP28872Variety of calla lily plant named ‘Havana’UNDER PATENTMarch 5, 2036
- HelvetiaPP28873Variety of calla lily plant named ‘Helvetia’UNDER PATENTMarch 5, 2036
- DO21PW104PP36804Zantedeschia plant named ‘DO21PW104’UNDER PATENTDecember 28, 2044
- EYD21WC102PP36972Zantedeschia plant named ‘EYD21WC102’UNDER PATENTDecember 28, 2044
Already in the public domain — 12 cultivars
Most recently freed first. Anyone may propagate and sell these plants — though the name it is sold under may still be a live trademark.
- Majestic StarPP18110Variety of calla lily named ‘Majestic Star’PUBLIC DOMAINApril 16, 2026
- Captain RenoPP17052Zantedeschia plant named ‘Captain Reno’PUBLIC DOMAINJuly 7, 2025
- Captain CupidoPP17019Zantedeschia plant named ‘Captain Cupido’PUBLIC DOMAINMarch 15, 2025
- HawaiiPP15642Variety of calla lily named ‘Hawaii’PUBLIC DOMAINApril 25, 2023
- Swan LakePP15664Variety of calla lily named ‘Swan Lake’PUBLIC DOMAINApril 25, 2023
- Edge of NightPP14926Zantedeschia plant named ‘Edge of Night’PUBLIC DOMAINNovember 23, 2022
- Black StarPP14844Calla Lily plant named ‘Black Star’PUBLIC DOMAINSeptember 12, 2022
- Red DesirePP13837Zantedeschia plant named ‘Red Desire’PUBLIC DOMAINMarch 22, 2022
- Red SoxPP14063Variety of calla lily named ‘Red Sox’PUBLIC DOMAINJuly 8, 2021
- Purple HazePP13393Variety of calla lily plant named ‘Purple Haze’PUBLIC DOMAINJanuary 31, 2020
- SchwarzwalderPP11001Variety of calla lily plant named `Schwarzwalder`PUBLIC DOMAINAugust 22, 2017
- Apricot GlowPP7653Zantedeschia plant `Apricot Glow`PUBLIC DOMAINOctober 2, 2009
A patent expiring frees the plant, and its cultivar name comes with it — cultivar names cannot be trademarked, so they are always free to use. What it does not free is any brand name the plant is marketed under. Those are trademarks and renew indefinitely.