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how long does it take to grow weed from seed

The vegetative stage of cannabis is where the plant’s growth truly takes off. At this point, you’ve transplanted your plant into a larger pot and the roots and foliage are developing rapidly. This is also the time to begin topping or training your plants.

If you’re growing outdoors in the Northern Hemisphere, growers usually get their seeds between February and April, and you should start your seeds by the end of April. Some growers will start their seedlings inside in a more controlled environment because seedlings are more delicate, and then put their seeds in the ground outside once they’re a little bigger. If you’re growing clones or autoflowers, you have a grace period of another month or so. Plants usually need to be outside, in the ground, by the end of June.

Marijuana light cycle: 16 hours a day

Seedling stage

Marijuana light cycle: 12 hours a day

The flowering stage is the final stage of growth for a cannabis plant. This is when plants start to develop resinous buds and your hard work will be realized. Most strains flower in 8-9 weeks, but some can take even longer, especially some sativas.

Cannabis plants are considered seedlings until they begin to develop leaves with the full number of blades on new fan leaves. A healthy seedling should be a vibrant green color.

If you’re growing indoors, you can force a weed plant to flower after only a few weeks when it’s small, or after several weeks when it’s big. If you’re growing outdoors, you’re at the whim of the seasons and will have to wait until the sun starts to go down in fall for it to flower and then to harvest.

As the name suggests, this is the phase in which the plant will grow and reach a significant part of its final size. The growth phase, also called the vegetative stage, is crucial for the development of the plant. It begins immediately after you have obtained your seedling and carefully transplanted it.

During this phase, as a grower, you apply a light cycle of 18 hours of light and 6 hours of complete darkness. A proper balance of light and dark without interruption is the key to a perfect growth phase.

Phase 2 – Growth phase

The strictly necessary germination phase is defined as the time it takes for the seed to develop into a seedling. If you are using cuttings, this germination time is referred to as the cloning and rooting time.

The growth phase of a photoperiod variety when grown indoors can be limited by making the plant think that it must flower. How to do that, you will read below.

This phase cannot be considered in a strict sense as a phase of the cannabis plant. Nevertheless, this phase is part of it. In fact, the process of drying (and maturing) is indispensable to get a quality product in terms of taste, smell, effect and strength.

The time from seed to smokable harvest averages 3-3.5 months for me with a strain like Northern Lights, where I grow the plants for 3-4 weeks in the vegetative stage, growing with cheap, regular CFL lights in coco coir, and with that setup I can get a few easy ounces per plant.

One of the fastest grow methods is growing marijuana with bubbleponics, which shaves a few weeks off the total time and will actually increase your yields, but it requires a bit more equipment to get started.

Long Anwer:

How to grow marijuana as quick as possible:

What if time is not an issue?

Important Milestones in the Marijuana Plant’s Life