GRHYARUP4

Application submitted

Hydrangea arborescens L. Smooth hydrangea · Ornamentals · bred by Guido Rouwette

also searched as: грхяруп4

Variety description

10 August 2026

The shrub has a compact form with a height and width of about 80 cm. The plant has strong shoots that provide resistance to lodging and allow the inflorescences to maintain an upright position.

The creamy-white flowers are gathered in large inflorescences. The flowering period occurs from July to September. The foliage retains its ornamental appearance throughout the entire season.

The variety has frost resistance down to -25 °C. Due to its characteristics, the plant is suitable for use in borders, mass plantings, and container cultivation.

Sources4

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

Parties

Breeder: Guido Rouwette 27 Developed the variety
Applicant: Guido Rouwette 27 Submitted the application to the register

Plant breeders' rights

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

European Union № 20252501

Application submitted

Application filed 25 November 2025
Registered —
Currently active indefinite in the register

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

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