when to harvest

hi people my first time on hear i am havening a problem got 3 dank cheese plants groing indoors in biobizz soil uesing biobizz grow biobizz bloom and topmax they are 5 weeks old .i found some weebs on my plant got the spray srayed them seems to got red but my plant has hardly got eney leaves except around the buds is this normal and how long should i flower cheese for newbie grower

go by the trichome color
they have a long way to go,
gl

is it normal for the cheese plant to not have many leaves on it

and what couler trichomes couler b before i harvest

i will take eney help but i am going to stick some pics up in morning as they are in dark and i ownly join tonight as dont wont to ask eney one wear i live as dont wont to get robed lol.and can i ask is there eney thing eles rather than a carbon filter thant will mask the smell like a gel or something

cloudy trichs just turning amber is best sometimes they will turn gold thats perfect to