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4 week old weed plant from seed

Be sure to keep a grow journal to track the progress of your plants. Looking back on your notes will help you learn from mistakes and maximize the quality and quantity of your buds.

The first marijuana plant stage begins with the seed. A cannabis seed should feel hard and dry, and be light- to dark-brown in color. An undeveloped seed is generally squishy and green or white in color and likely won’t germinate.

Important dates for growing marijuana outdoors

Generally speaking, it takes anywhere from 10-32 weeks, or about 3-8 months, to grow a weed plant from seed. It’ll be quicker if you start with a clone or an autoflower seed.

Once your seed has germinated, or sprouted, it’s ready to be placed in a growing medium, like soil. The tap root will drive down while the stem of the seedling will grow upward.

Two rounded cotyledon leaves will grow out from the stem as the plant unfolds from the protective casing of the seed. These initial leaves are responsible for taking in sunlight needed for the plant to become healthy and stable.

Featured Image Credit: 101GrowLights

Sexing can technically wait until the flowering stage, but cautious growers should remove them now.

Featured Image Credit: Reddit

4-6 week-old plant

The growth of a cannabis plant can be divided into 5 main chapters: germination, seedling, vegetative, flowering, and finally, budding. Within these stages of growth, many changes occur to the plant that should be noted and carefully watched for by the grower. Here, we’re going to dive into these different stages, to give you an idea of how long things generally take and what to keep an eye out for during cannabis growth.

It can last anywhere from 3-16 weeks, so knowledge of the particular strain being used is crucial here.

As the taproot of the germinated plant begins to take hold, the first set of iconic fan leaves begin to develop. This signals the beginning of the plant’s seedling stage of growth and should be placed in a large growing area immediately if it hasn’t been done so already.

A healthy plant will start turning a more vibrant green color and those blades will finally start becoming sizable, it will start looking more and more like a marijuana plant at this point. Once these seedlings fully develop these initial leaves and blades, they will be considered maturing and move onto the next stage of growth.