How To Grow Auto Flowering Marijuana Seeds Indoors


Plenty of growers are choosing auto-flowering marijuana seeds for their continuous harvest setups. These fast growing marijuana strains, from seed to bud within two months, are perfect at supplying an enthusiast with weed all the time.


Unlike traditional continuous harvest setups requiring multiple grow rooms, auto-flowering marijuana seeds can be grown in the same space because the light cycle does not need to be changed. Making auto-flowering marijuana plants perfect for continuous harvesting or people with very small spaces to grow grass in.

How is this achieved?

Eighteen hours of light per day is recommended from start to finish. Switching light cycles down to twelve hours will diminish auto-flowering marijuana yields.

It’s important you stagger the planting of your auto-flowering marijuana seeds.

Plant new seeds immediately when males are removed or marijuana buds are harvested. This ensures your grow room is always full and always producing fresh buds.


Male marijuana plants will show themselves within 17 – 20 days. About a week earlier than female plants. Remove these male plants and replace with marijuana seeds.

Auto-flowering marijuana seeds grow very well in soil or soil-less systems. If you are considering growing sea of green you can’t grow wrong with auto-flowering marijuana strains.

For best results plant your auto-flowering marijuana seeds directly into 1-2 gal.pots. Using smaller pots will simply result in smaller yields. Auto-flowering marijuana strains present amazing new possibilities. These marijuana seeds usually grow no taller than 16-20 inches. 12-16 inches is typical.

Light intensity, pot size, and marijuana fertilizer all play an important role in determining the size of your marijuana plants at maturity.
The better the conditions. The bigger the yield. 

One of the best options is use a hydroponic kit that helps to standardize the production.

How to use marijuana fertilizer on auto-flowering plants?

After the first two weeks of growth, auto-flowering marijuana seeds should begin a light feeding of a grow type nutrient solution, with micronutrients. When the marijuana plants pass into full flower, they should be started on a bloom regime. About weeks 4 through 6.

Root stimulator have shown to increase growth dramatically. Remember when using marijuana fertilizers that less is more. And don’t forget to flush.

Given it’s quick growth it’s important to pay extra attention to marijuana fertilizers. You should consider two weeks of vegetative fertilizer and four weeks of bloom fertilizer.


Auto-flowering marijuana seeds grow one main cola. Though with plenty of great light they are known to develop some side branching.

Marijuana buds are compact with excellent bud/leaf ratio. Thick pistils with orange coloration, and medium-sized, individual calyxes.

Yield and height are dependent on obvious growth factors. For example, marijuana plants kept in small peat cups on a windowsill may yield as little as 1 g. and grow no taller than 6 inches, with no branching whatsoever; while a plant in a 4-gallon container under high-intensity lighting and good cultivation methods, can turn into a profusely branched, two-foot wide 45-gram bud monster.


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