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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.
Although the plant is now just 26 months old, the dating process indicated that the seed was around 1750 years old â 250 years or so younger than the seeds which had not germinated. However, this figure was not a true reflection of its great age.