Flower hemp plant: everything you need to know

Hanfpflanze Blüte: Alles, was du wissen musst

Niklas Bergmann, M.A.

Biochemist, specialist author

Inhaltsverzeichnis: Flower hemp plant: everything you need to know

The flowering phase of the hemp plant - a magical moment

The flowering phase of the hemp plant is the peak of its growth cycle - the moment that all amateur and professional growers eagerly await. During this phase, the plant shows its full potential and the coveted flowers emerge, which are not only visually fascinating, but also impress with their flavours and active ingredients.

But when does this special time begin? How can you recognise the flowers and how can you get the best out of your cannabis plant? That's what this blog is all about. We shed light on the most important factors that influence the start of flowering, tell you how to optimally care for your plants and give you helpful tips to solve potential problems.

Whether you grow your cannabis plants in your own garden, in an indoor grow or with a practical could be just the thing.

Whether indoors or outdoors, initiating the flowering phase requires a little know-how. As soon as the conditions are right, the plants will reward you with a magnificent flower.

Recognising hemp flowers: How to spot the start of flowering

Initiating the flowering phase of the cannabis plant is one thing, recognising it in good time is another. Especially for beginners, it is often not easy to recognise the first signs correctly. But with a little attention, you can quickly determine whether your plant is ready to move on to the next growth phase.

At the beginning of the flowering phase, small buds form that look like tiny hairs. These appear mainly in the leaf axils, i.e. in the places where the leaves grow out of the main stem. In female plants, these hairs develop into flowers, while male plants form small, spherical structures that later release pollen.

Distinguishing between male and female plants is particularly important, as male plants should be removed to prevent pollination. Unwanted pollination can greatly affect the quality and quantity of flowers. If you would like to find out more about the development and characteristics of cannabis flowers, you can find a detailed overview here: Cannabisblüten.

Depending on the strain and growing conditions, the time to visible flower can vary. However, with patience and a trained eye, you will quickly learn to recognise the signs and care for your plants accordingly.

Hemp plant without flowers: possible causes and solutions

It can be frustrating if your cannabis plant doesn't go into the flowering phase as expected. But don't worry - the reasons are usually easy to identify and often just as easy to fix. Here are the most common causes and what you can do about them.

One of the main causes of flower failure is an incorrect light cycle. As mentioned above, cannabis plants are short-day plants and need a specific ratio of light to dark hours to start flowering. If your plant receives light for too long, it will remain in the growth phase. Especially when growing indoors, it is important to switch the light cycle to 12 hours of light and 12 hours of darkness to trigger flowering.

Stress can also delay or prevent the flowering phase. Factors such as too much or too little water, a lack or excess of nutrients and extreme fluctuations in temperature or humidity put the plant under pressure. As a result, it concentrates on survival instead of flower formation. A stable environment with sufficient care helps here.

Another factor can be genetics. Some varieties simply take longer to enter the flowering phase. Autoflowering strains, on the other hand, start after a certain growing time regardless of light cycles.

If you are struggling with your cultivation, investing in a Growbox-Komplettsetcan be a good solution. This gives you the ability to precisely control all relevant conditions and provide your plant with the optimal environment.

With a little patience and the right adjustment of the framework conditions, you can even get a seemingly "flowerless" plant to fulfil its potential.

Hemp flower fertiliser: What your plant needs now

In order for your hemp plant to develop its full potential during the flowering phase, the right nutrient supply is crucial. The requirements change during this phase, as the plant no longer puts its energy into growth but into flower formation. Here are the most important points to bear in mind:

  • Increase phosphorus and potassium: In the flowering phase, the plant needs less nitrogen, but significantly more phosphorus and potassium. These promote the development of the flowers and ensure a strong structure.
  • Prefer organic fertilisers: Compost, worm humus or special organic flower fertilisers provide the plant with nutrients gently and sustainably.
  • Keep an eye on the pH value: The pH value of the irrigation water should be between 6.0 and 6.5 for optimum nutrient absorption. A value that is too high or too low can cause nutrient blockages.
  • Fertilise with caution: Over-fertilisation can be just as harmful as a lack of nutrients. It is better to give smaller amounts more frequently than to overtax the plant once. Additions for the flower: In addition to the main nutrients, special additives such as bloom boosters or enzymes can support flower formation.

If you are looking for high-quality products that are specifically tailored to the needs of your cannabis plant, you will find a good selection of fertilisers and accessories in the Sammlungfor cannabis plants.

With the right care and nutrients, you can ensure that your plant produces strong and flavourful flowers.

Close-up of plant growing outdoors

Flowering the cannabis plant: care and common mistakes to avoid

During the flowering phase, your cannabis plant needs special attention to achieve optimal results. Small mistakes can quickly affect the quality of the flowers or even jeopardise the entire harvest. You can avoid common problems with these tips:

  1. Keep the water balance under control: Too much or too little water can stress the roots and inhibit flower formation. The soil should always be slightly moist, but not soggy. Only water when the top layer of soil is dry.

  2. Control humidity: Excessive humidity can encourage mould and fungal infestation - especially in dense flowers. Keep the humidity at around 40-50% to promote healthy growth.

  3. Keep the temperature stable: Extreme temperatures are poison for the flowers. The ideal temperature is 20-26 °C during the day and not below 18 °C at night.

  4. Improve air circulation: Stagnant air can promote diseases. Use good ventilation, for example with fans, to improve air movement.

  5. Recognise pests early: Aphids, spider mites and other pests can significantly affect the flowering phase. Check your plants regularly and act immediately in the event of an infestation.

  6. Adjust nutrition precisely: Nutritional requirements change during the flowering phase. Check regularly whether your plant is getting all the nutrients it needs and adjust the fertilisation.

To be fully prepared, it's worth taking a look at this Cannabis-Anbau-Anleitung,which offers you detailed tips on care during the flowering phase.

With the right care and an eye for detail, you can master this crucial phase and successfully get your hemp plant through the flowering period.

Hemp plant flowering time: how long does it really last

The duration of the flowering period for hemp plants depends heavily on the respective strain. Indica-dominant plants generally have a shorter flowering time of around 6 to 8 weeks, while sativa varieties often take 10 to 12 weeks or longer. Hybrid strains are usually in between, depending on which genetics predominate.

Growing conditions also play a decisive role. Indoor growers can influence the flowering time through controlled conditions and ensure that their plants have optimal conditions. Outdoors, on the other hand, the duration is more dependent on the natural light conditions and the time of year.

Another important point is the right harvest time. This largely determines the quality of the flowers. Most growers pay attention to the colour of the trichomes - the small, resinous glands on the flowers. If the trichomes are milky white or amber in colour, the plant is ready for harvest. Harvesting too early can reduce the potential of the flowers, while harvesting too late can affect the flavour and effects.

Once you've finally prepared your harvest, it's worth having the right tools to process the flowers. You can find a selection of accessories here: Papers,Blunts and more. So you can enjoy the fruits of your labour to the full.

With patience and a trained eye on the plants, you can ensure that you don't miss the perfect moment for the harvest.

How to speed up hemp flowers: Tricks for more efficiency

Sometimes it can be useful to speed up the flowering time of the cannabis plant, either to save time or to achieve faster results. There are some tried and tested techniques that can help you to make the phase more efficient

One of the most effective methods is the targeted control of the light cycle. By reducing it to 12 hours of light and 12 hours of darkness, you can bring the plant into the flowering phase more quickly. Some growers also use a shortened light cycle of 10 hours of light and 14 hours of darkness to further accelerate flower development.

Choosing the right strain also plays a role. Autoflowering strains start flowering after a few weeks regardless of the light cycle and are an excellent option if you want a faster harvest.

Special flowering boosters can also be used. These additives provide the plant with targeted nutrients that promote flower formation. However, it is important to use them carefully to avoid over-fertilisation.

Once you have finally completed your harvest, the next step is to process the flowers. Useful tools such as a Grinderare indispensable for preparing your harvest efficiently and cleanly.

By using the right techniques and understanding the needs of your plant, you can shorten the flowering time without compromising on quality.

Conclusion: Successfully flowering your cannabis plant

The flowering phase is the high point in the life cycle of every hemp plant - and also the phase in which your attention and care are crucial. By keeping a close eye on the flowering time, nutrients and care conditions, you can achieve impressive results.

Whether you're just starting out or already have experience: With the right tips and products, like those in our THC-Blüten-Sortiment,you'll be well equipped to get the best out of your plants.

Remember that patience and attention to detail are key. Every plant has its own characteristics and with the right care, you will be rewarded with a harvest that exceeds all your expectations. Good luck with cultivation and flowering! 🌱


Niklas Bergmann, Fachautor

Freut euch auf die Insights von unserem Biochemiker Niklas Bergmann! Mit seinem tiefen Verständnis für alles, was mit Hanf zu tun hat, liefert er euch die neuesten und coolsten Infos direkt in euer Feed. Schnörkellos und klar verpackt er das komplexe Thema Cannabinoide und macht es für euch easy zugänglich. Mit Niklas an der Spitze unseres Wissens-Teams seid ihr immer top informiert.