PINOT NOIR LOOSE CLUSTERS GL00 – Innovation that elevates sparkling wines

Published on November 21, 2025 by Charlotte MAURICE

Born from the meticulous selection work of Pépinières Guillaume, the Pinot Noir “Loose Clusters” GL00 opens new perspectives for sparkling wine producers.
Its atypical morphology – flexible, loose, and perfectly ventilated clusters – naturally reduces susceptibility to botrytis, a decisive advantage for harvesting healthy grapes even in challenging vintages.



Clear results after 4 years of trials:
➡ 6% average infection rate compared to 68% for classic clones.
Fewer losses, greater security, and the ability to harvest at the optimal moment to obtain the freshness and aromatic finesse required for great sparkling wines.

Agronomic strengths:

  • Semi-upright growth, vigorous and consistent

  • Medium to high yields

  • Natural resilience to botrytis



Oenological potential:
Perfectly suited to the requirements of Champagne and other sparkling terroirs, this Pinot Noir expresses a pure, intense aromatic profile, ensuring balanced, colourful, and structured wines with precise red-fruit notes.
Its ability to reach optimal maturity allows it to combine freshness, tension, and complexity—ideal for crafting high-end cuvées.

PINOT NOIR LOOSE CLUSTERS GL00 – The perfect alliance of innovation and excellence for exceptional bubbles.

Photo caption “PN grappes lâches”: “A loose-cluster Pinot Noir plant in autumn 2024”
Photo caption “PN grappes lâches 2”: “Loose-cluster Pinot Noir bunch: flexible and airy”

Website: www.guillaume.fr
YouTube channel: https://www.youtube.com/@pepinieresguillaume7380