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marijuana growing season california

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.

When should you grow marijuana?

Marijuana light cycle: 16 hours a day

Seed germination

Marijuana light cycle: indoor—16 hours a day; outdoor—at least 6 hours of direct sunlight (“full sun”), plus several hours indirect sunlight

Marijuana growing season california

Seedlings are baby plants. Whether you’ve sprouted your own seed or bought a clone, during this first stage of life the plants are delicate and sensitive.

This, of course, varies by region. Farmers in California enjoy generally warmer growing seasons and can plant outside earlier while also harvesting later than, say, New York, whose growing season is shorter on both ends. Regardless of where you’re growing, the main goal is to time planting for maximum light during the summer and maximum growth before fall sets in.

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Use a grow journal. Tracking the details of your grow efforts, from germination to final cure, will help you become a better cannabis-plant parent. When it’s time for a new season, reviewing the successes and failures from the last crop will make your thumb greener — not to mention improve the quality and quantity of your final harvest. There are lots of ready-made cannabis grow journals out there, but really all you need is a pad of paper and an eye for detail.

For the final stage of a female cannabis plant’s life, most of its energy will be put into producing flowers. The flowering stage happens in three phases:

Why do growers plant and harvest cannabis at specific times of the year?

Summer to early fall: vegetative stage Photo by: Gina Coleman/Weedmaps