How long does the flowering phase of marijuana last?

Written by on 27 September, 2021

Marijuana is a plant that during its life cycle goes through different phases, one of the last is precisely the flowering stage. When your pot reaches this period, the buds will start to develop.

The flowering stage is really fascinating, but, once it arrives, how long does it last? Well, here we tell you.

How long does flowering last?

If you grow your photodependent cannabis outdoors, the plants will start the flowering stage when the days get shorter, usually when autumn approaches. Whereas indoors this happens when you change the lighting cycle to 12 hours of light / 12 hours of darkness, uninterrupted.

Autoflowering strains, on the contrary, do not need changes in the photoperiod (hours of light) to start flowering, they do it automatically, according to their age.

The duration of the flowering phase can really vary from one strain to another. Generally indica strains tend to be faster, within 8 to 10 weeks. Sativas take a little longer, even the purest ones can take up to 16 weeks.

Seed breeders usually provide fairly accurate estimates on the flowering time of their plants.

Tips for successful flowering

For this stage to be successful, it is ideal that you provide your plants with the specific care they require at this stage.

During flowering, for example, you should make sure that your fertilizers are especially rich in potassium and phosphorus.

Likewise, when your cannabis plants are in this stage, it is not recommended to transplant or prune marijuana, as your girls could become stressed, which could cause your strains to stop developing and flowering.


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