There are multiple options available, but a recent surge in the power of LEDs has seen them overtake HID options in terms of the gold standard for home growers. Now that we have been over all the different lighting schedules for growing autoflowering weed and the related pros and cons, let's have a quick look at the best lighting equipment. The Best Lighting Options for Growing Autoflowering Cannabis Indoors Also have in mind that a 24/0 will lower humidity, increase temperature, and increase the light bill.Īutoflower grow light schedule pros and consĦ. There are growers who believe autoflowering plants need a dark period and won’t be as healthy if they get a 24/0 light schedule. There’s no real evidence of that but there may be exceptions. Have in mind that this applies to all Light fixtures, including light bulbs, usually good-quality LEDs will emit a full spectrum but you can get mixed spectrum bulbs that will get the job done. This doesn’t mean that you won't be able to have a successful harvest if you don’t provide a full spectrum but you will definitely have better results by providing the whole spectrum from seed to harvest or at least the spectrum your plants need during each stage. It's essential you provide the ideal light spectrum for each stage of plant growth and preferably, a full spectrum.įor example, during the vegetative stage, your plants will need a blue spectrum that ranges from around 400 to 550nm whereas during the flowering stage your plants will need a red spectrum, with wavelengths that range from 550-700nm. As a grower you should adjust the light depending on the cultivar you’re growing. Most growers agree that the optimum amount of light to give autoflowering strains is somewhere between 18-24 hours of light a day. What is the best light cycle for autoflowers? Light cycles are used to simulate seasons in nature, more light = summer, more darkness = winter. This means that the best light schedule for autoflowers is either 24/0, 20/4, or 18/6 so there are multiple options and the best one will depend on your growing environment and setup. They start producing buds based on age thus they don't depend on darkness to start the flowering cycle. Unlike photoperiods that need at least 12hrs of darkness to trigger flowering, autoflowers automatically enter the flowering cycle when they’re mature enough. Autoflowering cannabis light cycles - faqs The best lighting options for growing autoflowering cannabis indoors I found this calculator for DLI (Daily Light Integral): so I can work out the correct amount of ppfd to give my plants over the 24 hour light cycle. So, my question is, and I have had a good dig about to no avail, does anyone have a ppfd chart for autos with a week by week ballpark figure? I have a lux meter and using this conversion: I can work out PPFD (chose the one with the correct colour temp, mine is 4000 kelvin). All good, except I only have very vague numbers for plant requirements based on their growth stage: I'm running to my VPD chars as much as I can. I've got a humidifier in there and a new 5" RVK and Ram filter so have improved extraction (I struggled with inferior gear with the heat in the summer). I've stuck a 60w heat mat under them and am running a 24 hour lighting schedule, all to keep the temps in the right region. So, without changing too much I though I'd do the same again but make a few tweaks. I pulled 450g out of this little tent last run which suprised me as it was very crowded in there. My girls are 11 days old and very happy at 24✬ and 70% hum. I'm using a 250w Unit Farm LED bar (made by Mars but upgraded chips, similar to SP250). Soil is 50% Old Timers, 25% EWC and 25% perlite (Loki's formula from GrassCity Fortum). "Sour Bears" - Carebear dad ( Blue bear OG x Zkittles) x Sour Stomper (from Mephisto) "Purple Hazy Chemtrails" - PH dad x Crem de la Chem x Forum Stomper (from Mephisto Genetics) Plat OG x Zkittles Dad x Sour Orange Deisel Kush (Mephisto) (I'm prettty excited about these as I got them from a breeder in Seattle who posted them to the UK) I'm growing 4 Mephisto crosses in 3 gallon fabric pots in a 2x4 tent. Hi all, my first proper post here so lets see what kind of crowd is at AFN!?
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