Give them regular feedings during week two before harvest, but stop the week before. Slowly water your plants to minimise runoff. Plants suffer shock after transplanting, whether they are newly planted seedlings or mature plants moved from one location to another. The theory of it is that the trichomes of the cannabis plant act in such a way to protect the plant from infection, and so in splitting the stem in this fashion forces the plant to recognize the high risk of infection and thus to protect itself pumps out a ton more trichomes just prior to the harvest. Give 24-48 hours of darkness just before harvest – Be careful because if you don’t have a lot of green healthy leaves, this may discolor your buds. Reply. Allow them to slake their thirst for 3–5 hours before cutting. Because they've been freshly watered, the flowers will contain more moisture than you might be used to at harvest time. Starting the final week before harvest, instead of adding liquid fertilizer to your watering’s(feedings) add 2 Tbsp of molasses per gallon of water used for watering. He explained that most of the resin production during flowering happens at night, and that exposing his plants to extended darkness served as “one last-ditch effort” to boost the plant’s resin production. Stop Watering 1-3 Days Before Harvest – After flushing, in the final days of harvest, you can further stress your plants by stopping watering. No. Leach soil heavily 5-7 days before harvest. Again, this is an unproven method… How to Repair Plants in Shock. Set up a fan and carbon filter in the room to remove fragrances before venting the air out of the room. I have heard that giving plants a few days of darkness prior to switching to 12/12 will jump start the flowering cycle and darkness before harvesting will give you more resin. As for upping THC levels, I'd say that a superior smoking experience would give you the placebo effect of a higher THC content. This helps the pot plant in producing more resins. On harvest day, mix up a mild solution of 15ml essential oils or food-grade extracts to 20l of water. A 24-hour dark period is recommended by experts before harvest time. The dark process for the last 24-72 hours allows for the breakdown and flushing of chlorophyll before harvest, making for a markedly smoother smoke and more floral flavors to be expressed. In one of his weekly grow updates, Mr. Grow It explained why he gives all of his plants 48 hours of complete darkness before harvesting. This makes your weed harvest … Drench your soil evenly everyday with the water molasses solution. This should be done for at least ten days to ensure that the leave and buds are chemical and toxin-free upon harvest time. Before even starting to grow your marijuana plants, it is very important to understand why you are growing your plants. People do lots of things like this. I personally have never flushed a pot plant before harvest and I have grown top shelf smoke since 1969. For example, if you are interested in experiencing an ‘in-your-head’ impact, you can harvest the buds earlier. This is particularly true if the plants are grown for medicinal purposes. Not sure either can be proven. Water plants with ice water just before harvest – I’ve heard of some growers giving plants icy water just before harvest to try to shock their roots. You want to allow the plant to start to wilt just a small amount, because then the plant “thinks” it is dying and as a last-ditch effort, it will increase resin development. This allows the plant to use the balance of the nutrients in its system before harvest. 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