4. Give Your Plants the 18/6 formula When it Comes to Light. Autoflower seeds do not need a light schedule the way natural ones do. A perfect high-yielding autoflower crop will flourish beautifully by receiving 18 hours of light a day and 6 of darkness. 5. Add a Root Stimulant To sum it up, leaving grow lights on for 24 hours could impact a plant’s health. Like humans, plants need to rest as well. Remember, only the vegetative state can tolerate 24 hours of light exposure. But all phases have recommended on-off cycles to let weed plants undergo photosynthesis and respiration. Use an 18/6 Light Cycle From Seed to Harvest. The beauty of autoflowers is that they can receive 18 hours of light a day during the flowering stage compared to 12 hours for photoperiod plants. They’ll use up this extra energy to fill out their buds. Autoflower plants like these can perform well under 11 to 24 hours of light, from seed to harvest. Tip: Very powerful lights intended for 12 hour day cycles could hurt a plant if left on for 24 hours, while low powered lights may need to remain on all day. Consult with the manufacturer to determine the best light cycle for your equipment. Usually, outdoors growers get smaller yields than indoors but that heavily depends on the growing conditions as there are places where in the summer the sun shines almost 24 hours a day and that will be the same light cycle as you would grow your plants indoors on a 20/4 or 18/6 light cycle. AHj0. Autoflower varieties don’t need the day light hours to shorten in order to initiate bloom, it happens automatically. Many indoor growers cultivate their autoflower plants under 20 hours of indoor light. How to grow autoflower seeds : Life cycle. Most autoflowers have a life cycle of about 10 to 12 weeks for indoor growers. Also, LEDs are built to last at least 50.000 hours or more while bulbs last a maximum of 10.000 hours but the downside is that LEDs go for $100 to $1000 whereas you can find bulbs for as little as $50, so if you’re planning on buying an LED there are a couple of things that you should have in mind, such as the photosynthetically active Cannabis is a C3 plant, meaning it can absorb CO₂ for photosynthesis even during light hours. And since autoflowering plants have short vegetative phases and often grow shorter than photoperiod strains, you’ll typically want to give your autos at least 18 hours of light. Short Answer: 18/6 Schedule18 Hours Light, 6 Hours Dark (perfect for beginners) Most growers seem to agree that the optimum amount of light to give auto-flowering strains of marijuana is somewhere between 18-24 hours of light a day. When I’ve grown auto-flower plants, I gave them 18 hours of light a day, and 6 hours dark, at least partially 18 hours light/6 hours dark; 12 hours light/12 hours dark; 24 hours light; These plants flourish with more light, but it’s more expensive for the grower. The ideal temperature for cultivating autoflower cannabis seeds is 68–77℉. Monitor the pH levels of your soil, and if they’re too high or low, flush it. It’s preferable not to top or However, autoflowers need minimal light to grow. This feature is useful, especially if you're growing indoors and want to cut down on electricity costs. Unlike traditional cannabis strains distorted by light supply, autoflowers can grow in any condition.

how many hours of light do autoflowers need