What is the Weed Flowering Stage?

by Mar 16, 2019Stages of Growth0 comments

Flowering Stage of your weed Plants

Big weed bud during the flowering phase of growth

This blog post will dive into more detail about the flowering stage of your weed plant.  The weed flowering stage is an exciting one; it is when you get to watch the buds form and mature right before your eyes.  If you do things right during this stage, you are likely to increase your yield and produce larger buds or flowers.

During the flowering stage, your plants will increase in size, develop a dynamic structure,  and will grow more leaves. As soon as you notice your female plants growing small, white hairs out of their nodes, that is the signal that the plant has entered the flowering stage of growth.  Another critical point during this phase is that the flowers will grow and develop a solid cannabinoid and terpene profile.

Considerations for flowering stage outdoors

If you are growing outdoors, the flowering stage naturally begins in the fall with the change of season and change in sunlight.  When growing plants indoors, the flowering period begins to occur when you change your light cycle from 6 to 12 hours of light. This mimics nature and will force your plant to think that it is fall and will begin to flower.  A helpful hint is to change your light gradually slowly adding one more hour of light per day until you are at the 12 hours of sun and 12 of darkness.  This change will come as less of a shock to the plants.

Before we get into the details, it is important to note that one major mistake the grower can make during cultivation is to over-fertilize the plants. Just because the flowers start to form does not mean that they need to be bombarded with fertilizers and boosters; this often leads to nutrient toxicity. However, it is essential to feed the plants at this point so in this case sometimes less is more. If you suspect a nutrient deficiency, the fertilizer mixture should be given the necessary components and be added gradually to the plant.

The 4 Phases of the weed Flowering Stage

1. Blooming

Usually, the flowering stage is considered a single stage in itself, but specific nuances are valuable in distinguishing between achieving the best results. As soon as the white pistils or hairs show up in the nodal areas, the pre-bloom has begun. At this point, indoor growers switch the light cycle to 12-12 which signals to the plants that the fall season has started and it’s time to develop flowers. It is essential to continue to use fertilizer for the growth phase and only gradually switch to the PK (phosphorus and potassium) fertilizer so that the flowers can grow and mature.

Beginners often switch completely from nitrogen-rich growth fertilizers to PK-rich fertilizers, which in most cases can lead to disaster and a loss of crop. At this time, the flowers have hardly formed, so they only need traces of nutrients. During the pre-bloom, the areas around the nodes develop more punches and more massive calyxes (weed flowers).  This will in turn initiate the next phase which is early flowering.

2. EARLY FLOWER

The calyxes or flowers grow in size daily, and you will notice the hairs getting longer. This represents the plants early flowering stage. The flowers are similar to round balls with white thorns. At this time, the plants continue to increase in size and can stretch significantly depending on the genetics of the strain. The flowers need a little more PK nutrients in this phase. If possible, the temperature during the light hours should be reduced a little to about 23 ° C. This signals to the plants that it is already later in the autumn time and can increase your plants flowering production.

3. Highlights of the weed Flowering Stage

The peak of the flowering stage begins as soon as the inflorescences merge and form an extended collection of green goblets and white pistils. These are visible, and you can easily see them on your plant.  During this phase, a more significant amount of PK mixture should be added to the plants, as the flowers will now increase in size more significantly. This is the phase in which you must handle the environment and the fertilizer with particular care. Should anything go wrong during the height of the flowering stage, the flowers will not increase in size, and you will not get as large of a flower, therefore, less yield in the end. For this reason, it is important to be cautious with what you do with your plants. 

At this time, the growth of the plant and mostly the leaves stagnates, and all the plant’s energy is put into the formation of the flowers. Bigger plants may need some support here. The flowers fill up with water and can become too heavy for the branches, which can break under the weight. Also at this time, the trichomes take shape, and the cannabinoids and terpenes inside develop and start to mature.

4. Late flowering the Mature Phase

Now we enter the last phase of flowering, namely the maturation phase. At this time the flowers are quite big, firm and dense. The white hairs begin to curl, turn yellow, orange and finally brown. The trichomes develop in their colour from transparent-clear to cloudy and milky. If you wait any longer, the pistils will turn amber in colour. If you desire more uplifting effects from your weed, you should harvest as long as the trichomes are mostly a milky colour. For a more sedating and relaxing high, you should probably wait until the trichomes become amber.

During this maturing phase, the number of nutrients should gradually be reduced, and nitrogen should be mostly removed from the mix. 1-2 weeks before the plant is harvested, all nutrients that would be undesirable for consumption must be rinsed or flushed from your plant. This is usually done by soaking the soil with clear, pH-regulated water. By doing this, it will allow the plants to use all of its stored nutrients. After flushing the plants, the leaves will turn yellow and fall off.  Do not panic; this is a good sign; this means your plant is drawing the nutrients needed from the leaves. As soon as the flowers are fully ripe, it is time for the harvest, which also means the end of the flowering stage.

Watering Pre-flowering and Early Flowering

Watering weed during the flowering phase of growth

During pre-flowering and early flowering, it is important not to overwater your plants.  In the height of the flowering stage, however, the flowers will draw more water from the soil so it will be essential to check the soil moisture daily.

The flowers fill with water at this time so more water must be supplied to the plant. The best approach here is to feel the earth. If the soil feels dry, the irrigation schedule needs to be readjusted.

Nutrients Used During the Growth Phase

The nutrients during the growth phase must above all be nitrogen-rich. As mentioned earlier, during the flowering period, the nutrients have to be gradually switched to more PK balanced fertilizer.  What and when you feed your plants is important. The more you grow, the more you will get the hang of when your plants need which type of food.

Flowering Stage Leaf Fertilizer Considerations

Applying foliage fertilizer is quite straightforward during the growth phase. It is better to avoid spraying the flowers with chemicals during flowering; this may leave a bad taste on your bud when it is consumed.  Also always consider organic products you are going to be ingesting this so make sure it is something that is safe to use.  When the flowers start to increase in size, foliage fertilizer should generally not be applied. If you still want to use some while flowering, be sure to keep the affected leaves away from the flowers. The process is extremely time consuming and not always as necessary to do as in the growth phase.  

Best Environmental Conditions For the Flowering Stage

weed plants well into the flowering phase of growth

Light: 

Your lighting should be stronger in the “red” light spectrum during the flowering phase but should be more in the “blue” area during the growth phase. The lighting cycle should be changed to 12-12 when growing in the grow room unless you are using auto-flowering varieties that can tolerate more extended periods of light.

Temperature / Humidity:

For photoperiodic plants, it is a good practice to mimic the differences between summer and fall by shortening the light cycle and slightly lowering the temperature. Lowering the temperature during the flowering stage by 2-3 ° C works wonderfully, but is not necessary to develop flowers of the highest quality.  The humidity levels should not exceed 50%, otherwise, the flowers may rot, or you can start to get a mold problem.

pH LEVELS:

When weed is grown in soil, pH values between 6.0-6.5 are considered optimal, and that is what you are striving for.  A happy plant in the proper pH range will give you a larger yield and will produce larger buds.

Ventilation / Airflow: 

Good airflow and air exchange are important during each growth phase. Something that should be kept in mind during the flowering phase is that the flowers exude a very aromatic scent that could be easily perceived by the neighbours or perhaps guests coming into your home. We found that our garage worked wonderfully and was a good place for us to control the smell issue.  

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