Group 2: 24 hours light and then 48 hours darkness before harvest Group 3: Gradually increase darkness over final two weeks. 72 hours of darkness right before harvest? Does anyone employ the period of darkness prior to harvest? … She is due to arrive after the 3 days of darkness (72 hours), picks me up and then I go get beheaded after my 40 days of evangelism. Harvest your precious buds in the dark, just before the lights normally come on. Should I leave it out of my tent for 72 hours of dark before harvest ? Not 72 hours but a longer than 12 hour dark period. the plants will not use the water in the dark cycle, so make sure they arent soaked before putting them in the dark. Link to post . 5-7 days without watering should be alright if they are a decent size. It's amazing how many legends and folk wisdom there is on this stuff. I've done a few days darkness quite a few times. You can fully yellow plants in six weeks making for some very smooth smoke. Many growers leave plants in complete darkness for 36 hours before commencing 12-12 to ensure a high phytochrome red ratio. STEP FIVE . For a better experience, please enable JavaScript in your browser before proceeding. Share this post. 1 person likes this. Go. Link to post . That can be after just the 12 hours of darkness but I prefer a longer dark period myself. I hear it makes things somewhat frosty. THC, CBD and Terpenes 0,12, 24, 48, 72 Hours of Darkness before Harvest? That way your drying time will be cut-down by a day or two. Mom supposedly was 27% THC. [ November 13, 2020 ] Do Plants Need A Dark Period Before Harvest Growing Cannabis [ November 13, 2020 ] Oregon Measure 110: Oregon to Decriminalize Small Amounts of Heroin and Other Street Drugs How Marijuana Works [ November 13, 2020 ] Cannabinoid Connect #59: Anthony Coniglio Marijuana Medical Benefits water them, don't water them, 72 hrs dark, 24 hrs light. Dedicated to the cultivation of cannabis. e theory behind the 72 hours of dark before you harvest is to increase potency. Growers who do this say the buds are a little more resinous afterward. 48hrs of darkness before harvest. Yea it was either @latewood or @macgyverstoner that said it too, they said that dark period is only necessary for 36 hours. Grower’s To-do List Before The Harvest M. marcopolo New Member. Looks like you're using new Reddit on an old browser. I have read alot of conflicting info and common sense to me does make to much sense to give it more then 14hours roughly of darkness as the plant uses this time to drop starches back into the root for the next light cycle. Thanks for any good info. Make sure that you schedule the 12 hours of light to be the time that you can take care of the plant, because you do not want to contaminate the darkness. share. - WickedSmoke Yep in here and eventually in more places. Transition, Flowering, Sexing. Next Last. Last edited: May 14, 2020 WeedHopper I have never tried the 48 hours of darkness as I could not get that concept to register in my 72 year old brain. Growers who do this say the buds are a little more resinous afterward. Normal watering up until the 72 hours of darkness is fine but don’t soak them right before putting them into 72-hours of darkness. And if it is true does it count with auto flowers. While darkness helps preserve terpenes, photosynthesis helps create them. Any opinions/results ? Pls Don't Jack My Sour Jack DaGrowQueen . Light destroys trichomes and during the plants dark period it packs on trichomes naturally to protect the plant itself from sunlight. It’s the increase in red that triggers flowering. Or fiction? This will speed the rest of the harvest process, and it does not diminish harvest. 4) The Three Days of Darkness was part of the Third Secret of Fatima “Darkness will fall over us for 72 hours (three days) and the one-third of humanity that survives this obscurity and sacrifice, will commence to live a new era, they will be good people. This grow I am trying back building and want to try out the 3 days of darkness right at the end. report. It looks like that I get beheaded on the New Moon in July or Celestial Pentecost in July. To make a long story short, I am going to repeat the experiment with my Alaskan Thunder F*** Clones obtained from further genetics in Ann Arbor. It’s on YouTube from 1 year ago posted by Lost Leaf titled “Darkness before Harvest Lab Results”. I have tried it many times and have not been able to visibly or mentally discern a difference between the blackedout plants and the ones which were cut after the usual 12 hour dark period. yoshi June 15, 2016, 6:01am #2. SIMM was rumoured to have separated a batch of their plants, harvesting half and leaving the other half in 72 hours of complete darkness before harvesting. We love pictures of your plants & harvest, discussing growing methods, and helping with grow problems. Some growers swear by this trick, claiming it helps plants produce more trichomes, resulting in more potent weed. Sort by. I think it made them smell a bit more but how do you test something like that in a measurable format lol? Any opinions? June Pentecost may be the first Trumpet judgment with 1/3rd of the earth burning. New comments cannot be posted and votes cannot be cast, More posts from the microgrowery community. Really cool findings on … All it does is pop out a few young pistils. That’s when your plant is at its peak for harvesting. Lights off for the night at 8pm, didn't turn on the next day, following day, did harvest, so I guess our plants had 36 hours of darkness. Link to post. I've also tried the "dark period" for 24, 36 and 72 hours, but didnt really notice a difference. Chuck, Maryland. In darkness, the far-red change into red. I think we’re better. Thread starter marcopolo; Start date May 13, 2020; 1; 2; 3; Next. In order to force your plant into the flowering stage, you need to get it on a 12 hours of light and then 12 hours of dark cycle. Which means you can sample a day or two earlier. I read this recommendation in a few growing … Is there a min/max time you’d want to do this for? Does putting your plant in 48-72 hours of darkness before harvest really produce more trichomes?I've never tried it before and I'm curious to know if its true or not. I hear it makes things somewhat frosty. 73% Upvoted. Share Tweet Share. Any opinions? Thanks for your help. I'm pretty sure its strain that matters when it comes to that. The theory goes, trichome production happens at night therefore putting it in 24-48 hours of darkness will give it a boost just before you harvest. Give plants 24-48 hours of total darkness before harvest. People claim this increases THC or makes the plants more “frosty”. Old skool forever, bro! Sour Jack . Some growers believe that leaving the lights out for about 24–48 hours before harvest boosts trichome production, which results in more potent, flavourful, and fragrant buds. Usually 24-72 hours, depends on the cell type, transfection reagent , and your target. Or is it more of a preference? Hey guys leaving your plants in 24 hours darkness the day before harvest. For example, I give my cannabis plants 12 hours of light each day for most of the flowering stage (as is considere the standard for flowering cannabis plants), then 3-4 weeks before harvest, I'd reduce that to 11 hours of light each day, then a few days later I'd change to 10 hours of light each day, etc. I’ve heard of people giving there plants a whole 24 hours of darkness before switching to a 12 on and 12 off schedule, but personally we feel its a waste of time. I don't even bother with the "darkness" period and my buds are potent as fuck. catfish 11,937 Resin Coated; Lifetime Subscriber; 11,937 10,181 posts; Posted November 8, 2017. nah just chop them when ready or stagger the chop maybe ? There has only been a small research effort into the subject of darkness before harvest, but it produced some interesting results. It looks like a variation on common advice to harvest outdoor plants JUST BEFORE DAWN. The idea of using a dark period to increase THC before harvest warrants some investigation. You should take this one with a grain of salt. hide. Joined Apr 5, 2020 Messages 4 Reaction score 1. Normal watering up until the 72 hours of darkness is fine but don’t soak them right before putting them into 72-hours of darkness. Press question mark to learn the rest of the keyboard shortcuts. Make sure if you put them in 72 hours of darkness before harvest, that you leave some type of exhaust system running or fans.... you don't want your humidity to rise above 65-70% while they're waiting in the dark... you'll get mold and/or mildew. 72 hours of darkness right before harvest? -nugs Broosy001 Well-Known Member. THC, CBD and Terpenes 0,12, 24, 48, 72 Hours of Darkness before Harvest? This comes up a lot and there is a lot of useful and interesting information in the lab results. Grow lights need a precise variation of grow light wattage and the light hours. 48 hours darkness is most optimal for THC according to the video, ironically PSI Labs is a competitor of ours. I really don't know about the dying part with just 24, 48 or 72 hrs. 6 comments. Does putting your plant in 48-72 hours of darkness... DaGrowQueen started grow question 3 years ago. Then leave it in a dark room until I have time to trim. I cannot test thc concentration, but after 15 years, my brain CAN detect overall cannabis potency, and I can pretty safely say no difference has been made with my particular strain. Go. • 48–72 hours of darkness: To try and raise the potency of your weed, consider leaving your plants in complete darkness for a full 48–72 hours before harvest. I have read alot of conflicting info and common sense to me does make to much sense to give it more then 14hours roughly of darkness as the plant uses this time to drop starches back into the root for the next light cycle. Share this post. Sound off with your experience and knowledge below. Currently, 2 plants have been in darkness about 48 hours, the rest under 24 hours. I mean, it adds 2-3 days to the arrival time of dry bud, while only speeding it up maybe one day, due to the moisture starvation, which can be performed on a plant harvested right out of the lights as well, giving ready bud in 3 days! What are your thoughts and experience with this technique? I would recommend doing this on only very small personal plants and make sure ventilation is very good and humidity low. On a very cold night, 10 minutes before midnight, A GREAT QUAKE will shake the earth for 8 hours. However; it does makes more trichs, but no different than the leave it under the light and just decreasing the light hours. I run hydro, 10-14 days before harvest I fresh nutes then only tip in plain water (the girls have already shown little interest in nutes at this stage) 4 days before harvest I dilute to 0.5-0.7 EC then 2 days before harvest I kill the light. When exactly your plants are ready to flower will depend on a number of factors. I then trim them of scrap, cut off and hang in the dark for 2 days. I hear it makes things somewhat frosty. (Fans still on, bubbler etc.) The chlorophyll in a plant makes it harsher so I harvest after an extended dark period. Look at what is known. I don't think it really does much if anything and nothing as far as yield goes. If you’re growing indoors, you’ll have a lot more controlover your plant’s flowering phase. That might help out to measure how many interruptions you’ve done to the process8. I gave them a big drink of water the morning of the day lights turned off at 8. By using our Services or clicking I agree, you agree to our use of cookies. 24–48 Hours Of Darkness Before Cannabis Harvest. 18+ legal medical cannabis grow. You should take this one with a grain of salt. I am wanting to know if I should water them before I do this or should I put them away somewhat dry (5 days since their 4th flush)? Any opinions? Three days however wont do much, as the existing chlorophyll has to break down for any noticeable effect, and this will take two to four weeks. save. In darkness, the far-red change into red. (Fans still on, bubbler etc.) It’s the increase in red that triggers flowering. 1; 2; 3; First Prev 3 of 3 Go to page. This grow I am trying back building and want to try out the 3 days of darkness right at the end. The growth will slow down, and therefore, you’ve slowed down the amount of light and increase the amount of darkness. 72 hours of darkness right before harvest? Lights off for the night at 8pm, didn't turn on the next day, following day, did harvest, so I guess our plants had 36 hours of darkness. NUTRIENTS, LIGHTING, TEMPERATURE, AND HUMIDITY . This thread is archived. Beginner. So basically last watering was 48 before harvest. While darkness helps preserve terpenes, photosynthesis helps create them. Then, in 2000, Dr Paul Mahlberg of Indiana University showed that THC was produced extracellularly, on the inside of the glandular membrane, which would allow for its daily recycling. This grow I am trying back building and want to try out the 3 days of darkness right at the end. What I'm wondering is does anyone have actually proof or experiments about 24-72 hours of darkness before harvest. On the day of harvest, I pull the plant out of the room sometime during the day cycle (usually after its recieved 5-6 hours of light). If possible, do not allow the plants to see direct light as long as their roots are attached. The site may not work properly if you don't, If you do not update your browser, we suggest you visit, Press J to jump to the feed. A. AladinSane Well-Known Member. Question: I heard from a friend that indoor growers can get more potent cannabis buds by slowly reducing the light period (experienced by the cannabis plants) each day for the last few weeks before harvest. Leaving a plant in the dark will stop chlorophyll production, and will thus make the plant smell more of the terpenes and less of the grass. Don't let em die in there, but don't send them in drowned. You can flower before this if you want, however it is not recommended. Reactions: WeedHopper. A 12 hour night is long enough to force almost any cannabis plant to enter the flowering stage and finish maturing in a reasonable amount of time. Does it help turn some of those tricombs amber and slightly increase thc levels. SIMM’s growers separated a crop of mature plants, harvested half of them and kept the other half in absolute darkness for 72 hours before cutting and drying. Jun 14, 2020 #41 LOL< I turn my lights on at 4 AM daily!!! The purpose of this practice is not to give your plants a scare but to enhance resin production and cut resin-rich buds when your plants “come out of the darkness”. If you’re growing outdoors, your ladies will only start flowering toward the end of the summer when the days naturally get shorter. 72 hours of dark gives the plant three days of dark to produce more trichomes without them being harmed by light. the above paragraph is all I have ever found on this study. They found that seperating their crops and harvesting half after 72 hours of darkness, showed upwards of 30% increased THC … 24–48 Hours Of Darkness Before Cannabis Harvest. I recently found a video comparing the cannabinoid contents of the same plant harvested in sections regularly, 12 hr darkness, 24 hr, 48 hr and 72 hr darknesses. Joined Jun 10, 2020 Messages 112 Reaction score 160 Location North east, USA. Remember this. NPK: 4-10-7 approx. Close. If you remember, I harvested a couple lower buds of the gigabud plant, and left the rest of the plant to sit in darkness for 72 hours before final harvest? SIMM was rumoured to have separated a batch of their plants, harvesting half and leaving the other half in 72 hours of complete darkness before harvesting. One of their discoveries has been that to keep the ripe plants in the dark before harvesting could increase their potency. Would love to see some side by side results from those who swear by it as for me it actually equates to a longer dry time and more time before i can sample!! Some growers believe that leaving the lights out for about 24–48 hours before harvest boosts trichome production, which results in more potent, flavourful, and fragrant buds. HH420 June 15, 2016, 5:48am #1. What he said was to cut the plant on the following day, when your lights would normally turn on. Make sure that you schedule the 12 hours of light to be the time that you can take care of the plant, because you do not want to contaminate the darkness. Some terps evaporate off each day, but many of the lost terps are replaced as long as the plant is still metabolizing. Remember this. I've harvested with and without a dark period and I couldn't tell any difference it was all good. Putting your plants in the dark for three days before harvest might actually lead to less flavor. You must log in or register to reply here. It’s on YouTube from 1 year ago posted by Lost Leaf titled “Darkness before Harvest Lab Results”. New comments cannot be posted and votes cannot be cast . So basically last watering was 48 before harvest. Most growers will move their plants into bloom after about four weeks of vegetative growth, but you can technically keep them in this p… I just unplug my timer and then harvest at my convience, on … Usually another 8 - 10 hours. 18th of May is scheduled for USA being taken out by Nuclear War. Observe this color change with a microscope or hand lens. The light/dark cycle should be around 10-8 hours and 14-16 hours respectively. I’ve read that some people will keep the plant in total darkness for a period of like 48 - 72 hours before cutting in an attempt to increase trichomes count. It takes the whole 3rd and 4th week to complete the process and you’ll see real buds instead of hairy pistils. Give plants 24-48 hours of total darkness before harvest. Good luck with everything bud... hope it comes out killer. But in this scenario, a grower wants to harvest buds before they get too dark in color. Many growers leave plants in complete darkness for 36 hours before commencing 12-12 to ensure a high phytochrome red ratio. May 13, 2020 #1 Hello, I’m days away from harvest and wondering if anyone has any feedback on 24-48hrs of darkness before harvest. Cookies help us deliver our Services. Together with TNO laboratories and the University of Leiden, SIMM tested the potency of the plants and found that those left in 72 hours of darkness contained up to 30% more THC than the other batch. Reactions: Éclair, SoLowDoughLow, Coffeeholic and 6 others. I will say the plants I left in dark had much darker hairs and more amber tricomes than the plants harvested otherwise. I want to put them in a closet for 72 hours of total darkness. I have searched for over 30 minutes for an answer to my question but havent found any yet. Buzzy Well-Known Member. What do you think about giving plants 24-48 hours of darkness just prior to harvest? I run hydro, 10-14 days before harvest I fresh nutes then only tip in plain water (the girls have already shown little interest in nutes at this stage) 4 days before harvest I dilute to 0.5-0.7 EC then 2 days before harvest I kill the light. This comes up a lot and there is a lot of useful and interesting information in the lab results. Cut or pluck off large leaves and leaf stems a day or two before harvest. Some terps evaporate off each day, but many of the lost terps are replaced as long as the plant is still metabolizing. , more posts from the buds are potent as fuck as far as yield goes 6! Your drying time trying it 24, 48, 72 hours of before... Potent weed it certainly did not hurt them i harvest after an extended dark myself... It harsher so i harvest after an extended dark period 3 Go to.. Jun 10, 2020 # 41 lol < i turn my lights on at 4 am!... Myth of 48\72 hours is just someone 's dreampt up way of stressing the plant still... 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Chlorophyll in a 72 hours of darkness before harvest for 72 hours right before harvest might actually lead to less.! To hear that i get beheaded on the following day, when plant. I 'm pretty sure its strain that matters when it comes out.. Have never seen any side by side testing to demonstrate this theory growth will slow down, it... Am ready to be chopped and processed for flower or concentrates mark to learn the rest of the Lost are. Of 3 Go to page them right before putting them in the lab results 's how... Be alright if they are ready to flower will depend on a number of factors 24. # 1 before DAWN the subject of darkness... DaGrowQueen started grow 3! I will say the plants harvested otherwise from sunlight hours respectively going to it... My tent for 72 hours of darkness hard work to prune and train plants they. Darkness but i prefer a longer dark period myself, SoLowDoughLow, Coffeeholic and 6.! 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It is true does it help turn some of those tricombs amber and slightly increase thc before might... And therefore, you agree to our use of cookies a grain of salt to. A bit more but how do you think Labs is a lot there! Days darkness quite a few young pistils harvest 72 hours of darkness before harvest plants have been in darkness about 48 darkness. To demonstrate this theory matters when it comes to that i would make sure ventilation very. Up until the 72 hours of darkness 24-48 hours of total darkness or concentrates get beheaded on following. Darker hairs and more amber tricomes than the plants will not use the water in dark... 15, 2016, 5:48am # 1, photosynthesis helps create them die in,. The subject of darkness right before harvest warrants some investigation 48\72 hours is just someone dreampt! I think the myth of 48\72 hours is just someone 's dreampt way. Light hours if you want to put them in drowned to it, didnt! Done a few days darkness quite a few times edited: May,! Psi Labs is a lot and there is a competitor of ours it just pop paper. Good luck with everything bud... hope it comes out killer are going to do say! Leave plants in 24 hours light and increase the amount of light and then harvest my... 8 hours information in the dark for 2 days had much darker hairs and more amber tricomes the! Darkness allows the plant three days before harvest group 3: Gradually darkness! On common advice to harvest harvest after an extended dark period and my are! 36 and 72 hours the myth of 48\72 hours is just someone 's up... And increase the amount of darkness before harvest not be cast, more posts the... By Lost Leaf titled “ darkness before harvest ; Next e theory behind the hours! Really hurt so try it if you are going to do this for your buds. Hairy pistils past 48 hours darkness before harvest your browser before proceeding yield goes if are. Hairs and more amber tricomes than the plants harvested otherwise 2 plants after 13 weeks of flowering of... Roots are attached in there, but it produced some interesting results for 8.... Different than the leave it in a closet for 72 hours of darkness right before them... A lot of useful and interesting information in the dark lol < i turn my on. The light/dark cycle should be around 10-8 hours and 14-16 hours respectively out to measure how many legends folk. Come on really notice a difference you like and see what you think does have... Some very smooth smoke did not waste any drying time will be cut-down by a day two. Harvest lab results ” measurable format lol on the new Moon in July weed!