The flowering of our plant is an important phase. If the start is good and the pre-flowering also, you are guaranteeda fantastic final flowering, if you do not make Gross mistakes. The flowering First starts with pre-flowering, these are small hairs that form on the branches and in the top of the plant. Through this you know that the bloom is coming. After this stage the small hairs become more and more and form small balls with hairs. In this stage we keep the night temperature relatively low, about 18 degrees to save energy for the most important part of the flowering. As soon as the small balls are as big as your thumb, this would be in the 4th week, the temperature increases to let the plant evaporate more and so would drink more so more nutrients will go through the plant. The temperature you would want to end up will still variate but will be between 22 and 25 degrees at night and 28 at day time. Through this you will see that your plant will work very hard and will get thicker very quick. If the temperature is to high the top will grow to fast and will start to open. The most dry matter (weight) will be formed in the night as we humans also grow faster in the night. So try to find the ideal temperature for your plant by keeping an eye on it. With the fast growth the plant also needs nutrients. The nutrition in this phase of flowering will vary between 1.6 and 1.8 for a good and safe cultivation without problems. The type of nutrients also changes, so where sodium is much needed in the growth, will be less needed as bloom progresses.
P and p or phosphore and potassium are needed to a greater extent to give the plant its nutricien. For this we use pk13/14 or pk 20/21 of which the latter is a better one and certainly is paying off. In the last phase of the plant about week 7 to 9 the plant needs more potassium you can then continue to use the pk 20/21 and add a little bit more potassium to it. This ensures more dry matter and that the plant becomes more compact. What also makes the plant more compact is the night temperature in the last weeks. This should dro back to 16 degrees from the end of week 7. This simulates the autumn in which we have warm days but cold nights. So the plant receives a signal that the end is coming and it will thicken even further and scent stronger to attract insects that could pollinate it which is ultimately the life purpose of the plant ( reproductive urge). The weight will increase very strongly with this.
The amount of THC is also extremely increasing because THC has an oily structure, the plant protects itself against the wet and cold period she thinks is coming. Do provide some ventilation at this stage because of the drop in temperature from day to night a considerable dew point develops. This can cause mold and bud rot, which in turn costs you yield. If you notice bud rot it is actually time to harvest. If you see it once you can assume that there is more and that your other plants will easely get it too. Bud rot Works from the inside out so as soon as you see it on the outside, the inside is already affected. This is a bit of the flowering phase in a nutshell.