When do Plants get Frosted

I am on my first grow. I have four white widow plants from a reputable seed shop. I vegged the plants for a few weeks before switching over to 12 hour days. I changed the plant food for flowering. I researched this a lot before I did it so I'm pretty damn sure I've done everything right. The plants have looked great and been really healthy, but they still aren't covered in trichomes like I expected. Is this just something that comes farther along in the flowering process? The thing that made me nervous is that I tried googling flowering time lines and unfortunately there isn't much out there. I did find one guy that was showing pictures of his plants after flowering for 3-4 weeks and they were pretty well covered in trichomes.
My plants have only been flowering for 23 days now and they did kind of take a while before the first plan was showing some pistils (took 10 days). There isn't a whole hell of a lot I can do about it now, but I'm tired of the suspense. I come home every day hoping that maybe my plants will be covered in crystals lol. Should I expect it to improve dramatically over the next four weeks or did I just produce some mediocre pot? It smells good and looks good, just no crystals yet. BTW I did order a little microscope to look at them closer, but I haven't got it yet. Any advice would be greatly appreciated.

You probably have at least another 3-6 weeks at least before they are ready, so don't panic bro. Kick back and relax while you watch them grow. As you say, if you have done everything right you will not be disappointed. Patience dear, patience and TLC is required :) Let the weed do it stuff............

don't worry, you are only 3 weeks in....over the next 2 weeks you will see alot of changes. Everyday they will get fuller and the crystals will be everywhere! I have 4 ww i'm harvesting this week....they are really dense and sticky! Be patient....you have about 5 more weeks till harvest! good luck! :jointsmile:

You are only "3 weeks in", but actually you are only 11 days in since show of sex from your statements.

I would not expect any frosting until 4+ weeks of flower, and from that point on it will increase significantly until about the last 2 weeks.

You are doing fine.

They always seem to take forever to get to harvest, especially your first few grows. My advise is to wait,wait ,then wait some more...get that microscope and check the trichomes a couple of times a week, when they look the way you want ,then harvest. Patience.

Thanks for all the replies. That makes me feel a lot better. I'll definitely put some pics up as soon as they start to look good.