Southwest-France origin
Plantgrape describes Cabernet franc as probably originally from the south west of France. UC Davis FPS independently includes it among the principal black grapes of Bordeaux.
Red wine grape · Vitis vinifera
A red wine grape probably from southwestern France, documented as one of Bordeaux's principal black grapes.
Plantgrape describes Cabernet franc as probably originally from the south west of France. UC Davis FPS independently includes it among the principal black grapes of Bordeaux.
Plantgrape reports its best results generally on clay-limestone soils, with good results also possible on sandy soils in the absence of water stress. This is a reference observation, not a soil map or an irrigation rule for any specific vineyard.
Plantgrape describes Cabernet franc as a vigorous variety trained with moderately long pruning, or short pruning in more favorable climatic zones. UC Davis FPS traces its Bordeaux and California history. Neither source converts these descriptions into site-specific planting advice.
Reference review · November 9, 2026
INRAE / IFV cultivar reference. Vine-trait observations belong to this reference's context; they are not universal planting or irrigation recommendations.
Independent institutional history used to cross-check cultivar identity and geographic context. It does not independently validate every agronomic observation in Plantgrape.
Cultivar descriptions are source-attributed reference material, not site prescriptions. No numeric soil-moisture threshold, disease diagnosis, regional suitability guarantee or GroundWorx performance claim is established here.