Colchagua Valley 1975 Vintage Report
Defining the 1975 vintage in Colchagua Valley requires looking beyond the averages, as it was a year of contrasting fortunes and precise timing.
Spring was steady if unremarkable, with the vines navigating the vulnerable flowering stage without major incident.
The growing season was solar and generous. Accumulating 1894 Growing Degree Days (GDD), the summer provided consistent warmth that drove steady sugar accumulation. A key factor was the dramatic diurnal shift (13.4°C), ensuring that despite the daytime warmth, acidities remained razor-sharp.
The season concluded with a pristine harvest window. With negligible rain (6mm), pickers could wait for perfect phenolic maturity, harvesting each block at its absolute zenith.
**Style:** Rich, opulent, and structured wines built for the long haul.
About Colchagua Valley
A warm, sunny region producing ripe and full-bodied reds. Colchagua is a stronghold for Carmenère, Chile's signature grape, as well as rich Syrah and Cabernet Sauvignon.
Climatic Blueprint
Growing Degree Days (GDD)
Total Rainfall
Sunshine Hours
Diurnal Shift
Frost Days
Average Temperature
Historical Context (9 Years)
Comparison of growing season heat accumulation vs regional average.
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