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what happens when marijuana flowers begin to seed

As this portion of the flowering stage progresses, the majority of the pistils will remain white, signifying that the buds are continuing to get denser and bigger with each passing day.

When the plants start receiving 12 hours of darkness each day, they “think” that winter is close , and prepare to produce offspring. The first of the cannabis flowering stages, therefore, includes a major spurt of vegetative growth aimed at giving the plant ample size and strength to support those coming buds. This stretch is so dramatic that most cannabis plants double or even triple their height during this time.

The purpose of flushing is to give the plant a chance to utilize all the nutrients in its system so that they don’t taint the taste and smell of the buds. Flushing can also help remove any salts that have precipitated and built up in the grow medium. In short, flushing provides a final chance to improve the quality of the final harvest.

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Be careful with your plants at this point. They are extremely sensitive to the conditions around them during the end of the grow. For example, without ample airflow excess moisture from transpiration can become trapped inside the constantly growing buds, causing the dreaded “bud rot” (botyritis, or gray mold) that often spreads and destroys entire harvests.

When the buds start to ripen, you’re beginning the next cannabis flowering stage . Any vegetative growth has completely stopped by this point, and all energy is devoted to the cannabis plant’s final stages of life. The buds will grow largest during this time, which is why it is important not to provide any nutrients that promote vegetative growth. This would be wasteful and even counterproductive.

Nutrient deficiencies are slightly less detrimental as too many nutrients (because it’s easier to introduce nutrients to the plant tissue than remove nutrients, and there are some that cannot be removed that are called ‘immobile nutrients’), but you should still keep track of what you feed your plants and adjust as needed as soon as you determine a problem. Your plants can still recover to some extent, but it’s still much better not to have any problems to fix in the first place.

This is a good time for your plant. During this flowering stretch, your cannabis plants will still be very resilient and can quickly recover from any problem that they experience. This resiliency also occurs during the vegetative growth stage.

If you’re an indoor grower, you have the advantage of controlling when your plants start to flower. Make sure to use this to your advantage and only ever flip your plants to flowering when they’re 100% healthy. You don’t want to be correcting nutrient deficiencies or fighting pests and diseases while your plants are budding.

In the very first weeks of flowering, your cannabis plants will be in the transition stage. Thinking that winter is not far away and that she will soon have to carry a big load of bud, your plant will likely grow rapidly. Some strains can almost double in height during this time. Because of the fast growth that your plant is undergoing now, this early flowering phase is also known as the stretch phase.

Not all cannabis strains require the same amount of time for their flowering, but many varieties will be ready to harvest in these last three weeks. There are, however, not too many strains that will be ready before week 8.

• DON’T TRANSPLANT CLOSE TO BLOOM

This phase of flowering where your plant is starting to spend increasingly more energy on growing flowers is particularly critical. Make sure that the nutrients you give are appropriate and check the labels for the recommended dosages.

Depending on the flowering time of your particular strain, the time for flushing your cannabis plant is normally two weeks before harvest. When you “flush,” you stop administering nutrients and give the plant only plain, pH-balanced water in these final weeks. This will get rid of (flush out) salts and minerals in the soil which will make for a better and more pure-tasting bud. Otherwise, your smoke will be quite harsh and can have an unpleasant, chemical taste.

Your cannabis plants have still not entirely stopped growing and will now be about 50% bigger than what they were just three weeks earlier. Although still stretching a bit, the stretch will now gradually slow down and soon come to a complete halt.

Supplementing with CO₂ during the bloom phase can enhance growth and yield. If you can, aim to keep CO₂ levels at 1,000–1,200ppm during flowering.