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how to grow autoflowering weed indoors

If you’re growing outdoors, you don’t need to use an LED light, although you can. Our Light for Pot can convert nearly any space into a suitable spot for growing autoflowers indoors .

This characteristic makes growing autoflowers outdoors perfect when you want to take advantage of mother nature’s natural light source. Whereas most plants can only grow during a specific season, autoflowers can successfully pull off two to three seasons instead of one. As long as you germinate your seeds by the beginning of spring, protect your plants from extreme temperatures (the 90s and above), and the humidity stays between 70 and 90%, you can enjoy a very long outdoor growing season.

If you are growing autoflowers indoors , this is also the time for starting low-stress training, if you’re into that sort of thing. Training is helpful; however, it can also be risky and should only be done during the early part of the vegetative stage. Training helps forming buds receive the most energy from their light source – and that is definitely a good thing.

Week 2: Late seedling phase

Seed Coupon Included

How do you maximize autoflower yield?

Harvest up to a pound

Especially when growing autoflowers indoors , your results can vary depending on the strain and the quality of the seeds. If your plant seems to progress slower or faster than others, don’t let it bother you. Come harvest time, you may find that you were worrying about nothing.

In this article we explain step-by-step how to grow autoflowers indoors and outdoors, what you need, which varieties are available for beginners and how long they should be grown. Depending on your situation and preferences, you decide whether you want to grow the autoflower indoors or outdoors.

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After you’ve planted the seed, the care begins. Make sure you have enough water at all times, but do not let your plant drown. If desired, add some nutrition at the start of flowering and cultivate your plant completely. After about 10 to 12 weeks your plant will be ready to be harvested.

Advantages of growing autoflowers inside

When it comes to the lights there is plenty of choice. Basically it’s hard to make a wrong decision as each choice is a good one. LED, CFL, HPS or MH lamps, the choice is yours!
Growing with LED lighting is gaining popularity lately as LED lamps are more economical, emit less heat and can be placed closer to the plant which saves space.

Want to grow a big autoflower? In the open ground, roots have free rein. Logically, your autoflower can grow quite large, but when it is windy or raining your plant is less easy to protect.

Above you can read that indoor growing offers many advantages. But can you grow autoflowers outdoors as well? Sure you can! Let’s look at the advantages first.

Fluorescent lights are cheap, easy to find, and fit nicely in even the most cramped grow environment. They don’t generate a significant amount of heat relative to other options and can be kept close to plants without burning them. Compared to other options like HID (see below) fluorescent lights will grow plants of slightly lower yields. The tradeoff here is the grower takes a small impact to their yield but sees massive savings in electricity and heat management. Fluorescent lights come in a few varieties, each with their respective pros and cons.

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For the grower looking to cultivate discreetly, or for just their personal use, LEDs are the ideal middle ground between the efficiency of HPS lights and the low power consumption of CFLs. LEDs produce a more favorable spectrum than fluorescent lights, generate less heat and use less power than HPS lights.


Metal Halide lights are usually used during the vegetative phase of growth, but can also be used during flowering. Their bluish light is perfect for vegging plants, and while this will get the job done, many dedicated growers switch to another lighting solution once buds start to form.

In general autoflower strains are almost always hungry for calcium and magnesium, so you should get a brand that provides those vital nutrients. Beyond that, don’t stress over it. The growing environment and medium, more than strain, determine what kind of nutrients you need to provide your plants. Since those are unique to each grower, it’s hard to give generalized advice.

You’ve got space, you’ve got light, but what are you going to plant your seeds in? There are seemingly endless choices for growing mediums, ranging from hydroponics and aeroponics to dollar store gardening soil. We’ll tackle hydro and other high tech mediums in another article, for now, we want to keep things easy for new growers. After removing the high-maintenance, high-tech options, we’re left with three choices: soil, soilless, or a combination of the two.