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photoperiod weed seeds

Auto-Flowering Strains Characteristics

Disclaimer: It’s illegal to germinate cannabis seeds in many countries. It is our duty to inform you of this important fact and to urge you to obey all of your local laws. The Vault only ever sells or sends out seeds for souvenir, collection or novelty purposes.

Photoperiod vs Auto-Flowering strains

About George Seeds

Photoperiod Strains Characteristics

Cannabis seeds are typically divided into two camps: Photoperiod seeds or Autoflowering Seeds. In this instance, the term ‘Photoperiod’ will help to distinguish seeds that need certain conditions to be met in order to transition from vegetative state to flowering stage (Typically, this means altering the photoperiod to a 12/12 cycle), whereas Auto-Flowering strains have a very clear, fixed life-cycle, which means that they will flower automatically at a certain, pre-determined time.

Let’s cut straight to the chase: A photoperiod is a measurement of the time cycle that cannabis plants are exposed to light each day. The measurement will typically include two numbers: The first refers to how long the plants are exposed to light and the second refers to how long the plants are allowed to rest in the dark, so, for example: An 18/6 cycle would mean that for 18 hours a day, the plants get exposed to light and for the remaining 6 hours, the lights go out and plants get kept in the dark, kind of like what would happen in nature when the sun rises and sets: Simple, right? Well, there is a bit more to it than that…

Let’s take a look at some of the things which separate the two subcategories of cannabis seed strains:



Growing Autoflowering Cannabis Strains

Despite the simplicity of autoflowering strains, it is photoperiod strains that can take more abuse, whether that be intentional or the result of mistakes made as a beginner. Their growing stages can be controlled by the amount of light they receive, so, if during the vegetative stage you run into any deficiencies or problems, flowering can be delayed.

Autos offer less control over growth, but, for novices, it takes away the complication of modifying light cycles.

If you allow a weakened marijuana plant to flower, however, there is a good chance yields will be smaller. The potency of the buds will be affected too, leading to an inferior product all around.

Autoflowering Cannabis Strains

That is, autoflowering cannabis will always retain its 'internal flowering timer.'

Photoperiod strains that are flowered immediately or grown in limited root-space can produce similarly small-sized, quickly flowering plants, but they ought to have a larger THC concentration than their autoflowering counterparts. THC content is still a matter of debate between autoflowering cannabis proponents and detractors.

Seeds can generate male or female plants, unless the seeds are feminized.

Photoperiod cannabis can be cloned indefinitely. Cuts can be taken from photoperiod cannabis to create rooted clones of the plant at any stage, and can be vegetated into large plants before being put into (or back into) the flowering stage.

Can't take much abuse due to limited growth time.

Autoflowering cannabis is thought to be best grown in anything between a 18/6 and 20/4 light cycle, as it gets a lot of light, but also has time to recover in darkness. It can, however, be grown in 12/12 permanently or 24/0 permanently.