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RTPIV790-01

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Paeonia lactiflora x Paeonia delavayi · Ornamentals · bred by Rat Thierry

also searched as: ртпив790 01

Variety description

10 August 2026

The variety RTPIV790-01 (commercial name Duchesse de Lorraine) is an Itoh hybrid obtained by crossing Paeonia lactiflora (variety Miss America) and a tree peony (variety Golden Isles). The plant reaches a height of 60–120 cm.

The flowers are bright yellow, fully double. The lacy foliage has a deep red shade when emerging, gradually turning green, and maintains its decorative qualities until autumn. The variety forms strong stems that hold heavy inflorescences without staking.

The plant is suitable for cut flowers and decorative landscaping. The winter hardiness of the variety ranges from zone 3a to 9b. It is characterized as a vigorously growing hybrid with relatively low maintenance requirements.

Sources5
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Also known as

breeder code rtpiv790-01

A single variety may be registered in different countries under different names. All records are consolidated into one profile based on the breeder's code—an internal number that is identical for the variety across all registries.

  • RTPIV790-01 primary QZ, US
  • RTPIV79001 QZ

The primary name shown is the one under which the variety is registered in the largest number of jurisdictions. Search finds the variety by any of its names.

Variety in registries Regions of admission, rights holders, and status of plant breeders' rights

Parties

Breeder
Rat Thierry 7 Developed the variety
Applicant
Rat Thierry 7 Submitted the application to the register
Rights holder
Planteck 4 Holds the rights to the variety

Plant breeders' rights

The right is granted for a limited term: propagation of the variety requires a license from the rights holder.

United States of America № 13998812_3
Active
  1. Application filed 9 December 2013
  2. Registered 5 July 2016
  3. Currently active indefinite in the register

More 1 record protections in other jurisdictions are shown on the map above.

Records are sourced from official registry publications. Data sources and legal status

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Same species

Other varieties: Paeonia lactiflora x Paeonia delavayi

All 6 varieties of species

Paeonia lactiflora x Paeonia delavayi

Thierry Rat^^^Françoise Rat^^^Planteck International Inc.

3 records

Paeonia lactiflora x Paeonia delavayi

Thierry Rat

2 records

RTPIV791-38

Terminated

Paeonia lactiflora x Paeonia delavayi

Thierry Rat^^^Françoise Rat^^^Planteck International Inc.

2 records

Nearby in the species list RTPIV789-06, Rtpiv791-01, RTPIV791-38, RTPIV89-06, Smithopus12

Discussion: RTPIV790-01

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