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how big can autoflowers get

Autoflowers growing outdoors usually receive only 12 hours of proper sunlight, and you’re probably wondering if that’s enough. However sunlight is the most powerful light compared to artificial systems set up by humans, so autos take advantage of the situation and produce maximum yields outdoors.

Whether you Top, FIM, or LST the plants, autoflowers will perform well. However, training techniques must be employed only on healthy plants so the plant has time to recover from the initial stress. Unhealthy plants cannot be trained since there’s no time when it comes to autos.

If you’re unsure of any of these questions, you’re not yet ready to sow autoflowering seeds. Other types of plants allow you to plan things after sowing seeds, but for the love of God, don’t try that with autoflowers. The minute you soak seeds in the water, the clock starts ticking, so think through everything including the medium, container, ventilation, lighting, grow room and space before planting anything.

1) Prepare ahead

How to maximize yields in autoflowering plants?

3) Choose containers that drain well

It’s also critical to transplant only after the roots have filled out in the container since the soil will drop off in clumps with the roots stuck to them. In other words, wait until the plant is a little root bound. Since there are so many conditions, it’s best to start directly in the final containers. With no disturbance, you’re all set to get great yields.

The bigger the pot, the more the roots will develop and the bigger your plant will be. If you constrain it in a pot that’s too small, your plant’s development and production will be reduced. It is recommended that you use 15–20-litre pots to maximise results without overwhelming your plants. A pot that is too big will be a waste of substrate and fertiliser.

If you must add nutrients to the soil early on, do so sparingly. Generally, bloom nutrients and boosters are all that’s needed during their life cycle. Even in flowering, low to medium doses of nutrients will suffice. Over-fertilising plants is a common yield-thwarting mistake autoflower growers often make.


There are several ways you can go about this. Bamboo stakes and strings, trellis netting, or tomato plant cages can all be used to help a plant carry its heavy load. If you want more tips, see this article on five ways to support heavy buds.

Simply spoken, reverse osmosis is a filtration process that results in pure, ultra-filtered water. With this, you are in total control of the mineral profile of your water. This can benefit the growth of your plants and your yield.

Whether you are planning an indoor or an outdoor grow, make sure to start your seedlings indoors.

Tip: If you really want to fit more cannabis in your grow space, we recommend using rectangular pots, this will prevent you from wasting space.

Calculating the area of your space is fairly simple. To do this, we need a measuring tape to measure the length and width of our growing space. If we are planning to grow in a grow tent, we can find this information in the manual, but if it isn’t available, it is fairly simple to measure it. So for example, if after measuring the length of our growing space is 1 m (3.2 ft) and the width is 1 m, we multiply both to get the total area, so: 1×1 = 1 square meter(10.2 ft). This applies to any size, even if our growing space is not a perfect square. Another example is: length = 2 (6.5 ft) and width = 3 (9.8 ft), we would have an area of 2 x 3 = 6 square meter (64.5 ft 2 ).

Tip: Even though it’s not recommended because every LED is different if you still want to use this guide for LEDs, you will have to divide the number of watts by 1.6.

3. How To Calculate The Area Of My Growing Space

Remember that everything explained in this article will depend on growing conditions, genetics and how well you take care of your plants; As mentioned, you may be able to fit more (or less) autos per square meter depending on the plant training techniques you perform. Also, it’s very important to have in mind that some cannabis may grow tall despite being in smaller pots and others will not grow too much even if they’re growing in bigger pots so as you finish each grow cycle you will have a better idea of not only how that specific strain grows but also what it needs and what you have to provide for it to thrive.

There are two types of light fixtures: Light bulbs and LEDs.

This is extremely helpful because based on the area of our growing space we can calculate the potency of the light we will need and the plants we can fit in it.

Usually, you would need around 75 W per plant, so by following the table we can calculate how many watts we would need for 30 plants in a 6 square meter (64.5 ft 2 ) space.