How long do you think to harvest?

They will be more than ready in 3 weeks. The ambering process takes place gradually, check every 3/4 days only. This way you won´t grow over impatient lol .

Not all strains of cannabis will develop amber trichomes. Harvest your plant when she has 95-98% brown pistils, this will give you flowers with prime cannabinoids and peak THC.

Your trichomes are almost fully clear, they have just bulged out into little mushrooms, they need to age. The colas will keep developing new flower mass. I would go 30 days just to make sure the full potential has been reached.

That’s three weeks brother you have tons of time yet. The only way for you to know when they start turning amber is with an inspection with a jewellers loupe or a little microscope. You’re the one in the best position to do this. I highly suggest you get one of these two items. Carson makes a little pocket microscope it’s 20 bucks on Amazon.