trichomes start off clear but as they mature…

trichomes start off clear but as they mature they turn amber or light brown. This are actually the “red hairs” that develop when your bud are fully developed. You’ll know that THC is starting to build up when the membrane around the glands begin to swell and appear like mushrooms. Growers can start their harvest when 50% to 80% of the pistils have turned from white to dark red. Also, plants can be harvested when approximately 50% of the trichomes begin to become amber.

What is the function of trichomes in plants?

Trichomes (/ˈtraɪkoʊmz/ or /ˈtrɪkoʊmz/), from the Greek τρίχωμα (trichōma) meaning “hair”, are fine outgrowths or appendages on plants, algae, lichens, and certain protists. They are of diverse structure and function. Examples are hairs, glandular hairs, scales, and papillae.