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Harvesting Agave for Tequila. I n the past, agave were harvested when the jimadors decided they were ripe enough. This was generally done when the agaves were from eight to ten years old. Jimadors knew, from generations of experience, when the agave was ripest, when it was rich with sugars and ready for harvesting.
The first one is the earliest variety, and the second is the latest variety. The earliest varieties take about 58 days to ripen from the day they are planted, and the latest varieties take approximately 92 days to be ready for harvesting. Corn grows with a large ear and a short ear on every stalk. Each ear measures about seven to nine inches and have 12 to 16 kernels on each ear.