Breeder
ZLESAK DAVID CHARLES
16 US plant patents, granted between 2008 and 2025.
Filed under the ZLESAK name. Related entities are listed separately on the ZLESAK search, because a company and a person are not the same filer even when the name matches.
Still under patent — 15 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- ZLEMartinCiparPP20471Shrub rose plant named ‘ZLEMartinCipar’UNDER PATENTAugust 4, 2028
- ZLEMarianne YoshidaPP22205Shrub rose plant named ‘ZLEMarianne Yoshida’UNDER PATENTJune 30, 2030
- Donna MayPP22634Physocarpus plant named ‘Donna May’UNDER PATENTOctober 24, 2030
- ZLECharliePP23456Polyantha rose plant named ‘ZLECharlie’UNDER PATENTNovember 1, 2031
- ZLEEltonStrackPP24463Large-flowered climber rose plant named ‘ZLEEltonStrack’UNDER PATENTNovember 29, 2032
- Gaye HammondPP26674Rose plant named ‘Gaye Hammond’UNDER PATENTDecember 11, 2034
- Phyllis ShermanPP29167Polyantha rose plant named ‘Phyllis Sherman’UNDER PATENTJanuary 3, 2037
- ZLEBic5PP31235Physocarpus plant named ‘ZLEBic5’UNDER PATENTApril 5, 2038
- ZLEYe12PP31198Physocarpus plant named ‘ZLEYe12’UNDER PATENTApril 10, 2038
- ZLEMichaelPP34243Physocarpus plant named ‘ZLEMichael’UNDER PATENTJanuary 4, 2042
- ZLENataliePP34244Physocarpus plant named ‘ZLENatalie’UNDER PATENTJanuary 4, 2042
- ZLENoraPP34624Physocarpus plant named ‘ZLENora’UNDER PATENTJune 2, 2042
- Auntie BPP35794Physocarpus plant named ‘Auntie B’UNDER PATENTAugust 8, 2043
- SueCKatPP35764Physocarpus plant named ‘SueCKat’UNDER PATENTSeptember 5, 2043
- ZLELisaAnnHansenPP36905Shrub rose plant named ‘ZLELisaAnnHansen’UNDER PATENTDecember 17, 2044
Already in the public domain — 1 cultivar
Most recently freed first. Anyone may propagate and sell this plant — though the name it is sold under may still be a live trademark.
- Tuscan SunPP18763Heliopsis plant named ‘Tuscan Sun’PUBLIC DOMAINAugust 18, 2026