Breeder
IRIE RYOJI
14 US plant patents, granted between 2006 and 2017.
Still under patent — 8 cultivars
Soonest to come off patent first. You may not propagate these for sale until the date shown.
- RIE13PP18476Hydrangea plant named ‘RIE13’UNDER PATENTSeptember 22, 2026
- RIE 05PP18508Hydrangea plant named ‘RIE 05’UNDER PATENTOctober 1, 2026
- RIE 06PP18393Hydrangea plant named ‘RIE 06’UNDER PATENTOctober 4, 2026
- BTIPP23749Hydrangea plant named ‘BTI’UNDER PATENTFebruary 29, 2032
- Youme H1917PP24755Hydrangea plant named ‘Youme H1917’UNDER PATENTJanuary 7, 2033
- H2002PP26657Hydrangea plant named ‘H2002’UNDER PATENTJune 14, 2034
- InspirePP26824Hydrangea plant named ‘Inspire’UNDER PATENTSeptember 5, 2034
- H21-3PP27935Hydrangea plant named ‘H21-3’UNDER PATENTAugust 26, 2035
Already in the public domain — 6 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.
- RIE 12PP17833Hydrangea plant named ‘RIE 12’PUBLIC DOMAINJanuary 19, 2026
- RIE 03PP16720Hydrangea plant named ‘RIE 03’PUBLIC DOMAINMarch 23, 2025
- RIE 04PP16653Hydrangea plant named ‘RIE 04’PUBLIC DOMAINMarch 9, 2025
- RIE 09PP16613Hydrangea plant named ‘RIE 09’PUBLIC DOMAINMarch 3, 2025
- RIE 02PP16617Hydrangea plant named ‘RIE 02’PUBLIC DOMAINMarch 3, 2025
- RIE 01PP16618Hydrangea plant named ‘RIE 01’PUBLIC DOMAINMarch 3, 2025