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US Plant Patent PP37425

Smithopus11

Paeonia plant named ‘Smithopus11’

UNDER PATENT

Still under patent. Protection ends July 9, 2045.

No term adjustment or disclaimer is recorded against this patent, so this is the full statutory term — twenty years from the filing date.

The record

Patent number
PP37425
Filed
July 9, 2025
Granted
May 12, 2026
Expires
July 9, 2045
Inventor
Donald R. Smith

Abstract

A new and distinct cultivar of intersectional hybrid (Itoh) Paeonia plant named ‘Smithopus11’ is disclosed, characterized by very large deep pink flowers with a semi-double to fully double form carried on strong stems. Flowers present above and beyond the foliage. Plants have dark green, dissected foliage, which lasts through the fall and is also disease resistant. Plants have a symmetrical, compact plant habit/shape which is excellent in the landscape. The new variety is an intersectional hybrid (Itoh) Paeonia normally produced as an outdoor ornamental garden plant.

Read the full patent: US Plant Patent PP37425 in full — the complete specification, every figure, and the file history.