Marijuana Plant Life Cycle at Life

Marijuana Plant Life Cycle. This can produce huge plants. Depending on your local climate and the strain you grow, it will take 6 to 9 months from seed to harvest.

Cannabis plants are, depending on their strain, able to start flowering from the 4th week of the vegetative stage, but those plants will be smaller. Germination, seedling, vegetative, and flowering. Outdoor cannabis plants flower during fall season, when daylight becomes less and the plant’s annual life cycle comes to an end.

The Seven Key Stages Of The Marijuana Plant Life Cycle

Most strains start to flower when they receive 12 hours of uninterrupted darkness each day. However, your plants may take a little bit longer depending on the growing conditions you provide. During this stage leaf growth slows and flowers start to form. Outdoor cannabis plants flower during fall season, when daylight becomes less and the plant’s annual life cycle comes to an end.