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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.
Agave nectar (more accurately called agave syrup) is a sweetener commercially produced from several species of agave, including Agave tequilana (blue agave) and Agave salmiana. Agave syrup is sweeter than honey and tends to be less viscous.