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     8 years ago (edited) 

    Great question! If you have given your plant all the nutrients and climate specifications it needed, and made sure it was completely dry before curing. The sweetness that overcomes the hay or grassy taste should start to show up after a few days being sealed in mason jars. Another tip is to avoid fertilizer right before harvest. In hydroponic growing, you should give your plants 3 days of fresh water, without nutrients. Hope this helps! I could do an entire post about it, if that would be helpful...

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     8 years ago (edited) 

    A Couple Tips

    • Harvest when the cannabis is mature. You can see this with a 30x-60x magnification scope. 5-15% of the trichomes will have turned amber. Harvest before and you lose potency (45 minute high), harvest after and you lose THC to CBN, which makes you sleepy.
    • Use plain water the last 2 weeks in soil and the last 5 days in hydro
    • SLOW DRY (7-10 days) using a clean air place with 55% humidity and 70F temps

    The Grassy Smell is Chlorophyll Breaking Down

    Same reason your lawn smells after being cut. Wet, warm cananbis will cause chlorophyll to break down with the grassy smell you don't appreciate. Causes an off-taste as well if left unchecked.

    Dry Properly Before the Cure

    I hang my branches and when the stem of a flower barely cracks as I break it off, the moisture is about right. (When dried in a 55%Rh/70F area) This is when I put them in jars and place them in a dark area about 68F. Check them 8 hrs later and they're rehydrated. Open the containers and let them dry out for an hour before re-closing. Let them sit a good 12 hrs and check again.

    Use a Hygrometer

    Pop a digital hygrometer into a jar with your cannabis flowers. After 12hrs at 70F, you're looking for 55% RH. More than 55%, keep opening the jars every 12 hours for an hour. (burping) Lower than 55%? Oops. :( No cure for those flowers. They won't mold though. :)

    Once the cannabis is at 55%, seal it up in an airtight (preferably glass) container and it's on to the cure.

    The Cure Takes Place While the Cannabis Sits

    The longer the container sits without opening, the longer you can say it has 'cured.'

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     8 years ago  

    That's some really good and thorough advice. I appreciate all the specifics, it'll really help so I can quantify my process. I appreciate it!

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     8 years ago  

    My pleasure. :)

    You'll love the terpene preservation when you get the hang of it. ;)

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     8 years ago  

    Also, I just read that opening your jars every day is a good idea to let the sugars in the buds break down. I naturally do that every day to checkout the buds, but apparently if your not doing that, it can cause it to retain that green taste

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     8 years ago  

    Sugars have nothing to do with green taste, that's chlorophyll. Flowers at too high of a humidity need further burping.

    Once your airtight container reaches 55% and stays there, seal it up and leave it. Absolutely no need to open occasionally when the humidity is correct.