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  • 2-Phasen Düngerset mit Grow- & Bloom-Dünger für Wachstum und Blüte
  • Bio-Düngerset für Wachstum und Blüte – Granny’s Grow & Bloom Phase 1 & 2

Organic Grow Fertilizer – The perfect nutrient mix for hemp plants

Product description

With Granny's Organic Grow Fertilizer, you can unlock the full potential of your cannabis and hemp plants.

This liquid, organic NPK (4-1-4) fertilizer is specially formulated for the growth phase and contains a perfectly balanced blend of nitrogen (N), phosphorus (P), and potassium (K) that optimally supports your plants during every growth phase. The purely organic ingredients promote healthy root growth, strengthen the plant, and ensure resilient, strong plants – all without synthetic chemicals .

Granny's Grow fertilizer is ideal for indoor and outdoor cultivation of cannabis and hemp. It's excellent for all growing methods and substrates , including hydroponics and vertical gardens. Its liquid formula keeps your growing system efficient and clean, without clogging or crystal formation .

Now with improved packaging and practical measuring cup for even easier use!

Promotes root growth & strengthens the plant

100% organic & biological – no synthetic chemicals

Ideal for indoor & outdoor cultivation, hydroponics & soil

Guarantee for healthy plants and a rich harvest

Made & developed in Germany

Detailed nutrient profile of the Organic Grow Fertilizer

Organic fertilizer contains a variety of nutrients essential for plant growth. The most important macronutrients and micronutrients in organic fertilizer are:

Macronutrients :

  • Nitrogen (N) – Promotes the growth of leaves and stems.
  • Phosphorus (P) – Supports root development and flower formation.
  • Potassium (K) – Strengthens cell structure and helps with plant disease resistance.
  • Calcium (Ca) – Strengthens cell walls and promotes the growth of roots and fruits.
  • Magnesium (Mg) – component of chlorophyll and important for photosynthesis.
  • Sulfur (S) – Participates in the formation of amino acids and proteins.

Micronutrients (trace elements) :

  • Iron (Fe) – Important for photosynthesis.
  • Manganese (Mn) – Supports enzyme activity and photosynthesis.
  • Copper (Cu) – Plays a role in the formation of enzymes.
  • Zinc (Zn) – Promotes plant growth and maturation.
  • Boron (B) – Supports cell division and the growth of roots and flowers.
  • Molybdenum (Mo) – Necessary for nitrogen fixation in plants.

Organic fertilizers provide these nutrients slowly but sustainably, as they decompose in the soil, providing plants with a consistent and long-term supply. Organic fertilizers also contain organic substances that improve soil structure and promote soil microbiology.

Unser Düngeschema zeigt dir genau, wann du den Grow-Dünger einsetzen solltest – perfekt für kräftiges Wachstum, gesunde Pflanzen und optimale Vorbereitung auf die Blüte. Lade dir das PDF jetzt herunter

📥 Düngeschema als PDF downloaden

Mixture: Mix 7 ml of fertilizer to 1 liter of water.

Frequency: Water your plants 1 - 2 times a week , depending on the size and type of plant.

Important note: When transplanting into pre-fertilized substrate , do not add fertilizer for 3 weeks.

Areas of application: Suitable for indoor and outdoor cultivation , hydroponic systems and vertical gardens.

FAQ about Granny's Organic Grow Fertilizer

  • Cannabis Grow fertilizer is specifically formulated for the plant's growth phase to promote vigorous leaf growth and strong root formation. During the growth phase, the cannabis plant requires more nitrogen (N) , which is responsible for leaf and branch formation.

    Bloom fertilizer, on the other hand, is intended for the flowering phase and contains more phosphorus (P) and potassium (K) to support flower formation and resin development. Granny's organic grow fertilizer is perfect for starting cannabis plants , while Bloom fertilizer is used later for flowering.

  • Granny's organic grow fertilizer is easy to use.

    Mix 7 ml of fertilizer to 1 liter of water and water your cannabis plants 1-2 times a week .

    Depending on the size and development stage of your plants, you can adjust the frequency of application.

    When transplanting into pre-fertilized substrate, you should not add any fertilizer for the first 3 weeks .

    Suitable for indoor and outdoor cultivation , as well as for hydroponic and vertical gardening systems.

    Make sure to stir the mixture well so that the fertilizer is evenly distributed.

  • Yes, our organic grow fertilizer is ideal for hydroponic cultivation of cannabis and hemp .

    Granny's Organic Hemp Growth Fertilizer does not crystallize and does not clog drippers or pipes, making it perfect for use in hydro systems and other modern growing methods.

    Because the fertilizer is liquid, it can be easily integrated into hydroponic systems and provides precise nutrient delivery without compromising the technology.

  • Yes, Granny's Grow fertilizer is specially developed for hemp cultivation and supports the healthy growth of both cannabis and hemp plants .

    The balanced mixture of nitrogen (N) , phosphorus (P) and potassium (K) ensures strong growth in the vegetative phase of both plant types.

    The organic hemp growth fertilizer not only promotes root growth but also strengthens overall plant health, so you can move on to the next phase with a strong and healthy plant.

  • Yes, Granny's Organic Grow Fertilizer is completely organic and made from natural ingredients. We do n't use any synthetic chemicals or harmful additives, making it an ideal fertilizer for sustainable cannabis cultivation .

    If you value environmentally friendly and healthy cannabis cultivation , our organic hemp growth fertilizer is the perfect choice. By using natural nutrients, not only the plant but also the soil is supported and strengthened in the long term.

  • With Granny's Organic Grow Fertilizer, you can see an improvement in the growth of your cannabis or hemp plants after just a few days.

    The plants begin to grow stronger and healthier, and the roots develop more vigorously. By regularly applying the organic hemp growth fertilizer, you can achieve continuous improvement in plant health, ultimately leading to a stronger and more abundant harvest.

  • Granny's organic grow fertilizer is suitable for the entire growth cycle of your cannabis and hemp plants , as long as your plants are in the vegetative phase .

    During the flowering phase , we recommend switching to a specially formulated bloom fertilizer . The organic hemp growth fertilizer should be applied regularly throughout the entire growth phase to ensure healthy and vigorous growth.

  • Granny's Organic Grow Fertilizer stands out from other cannabis fertilizers due to its purely organic composition and environmentally friendly production.

    Compared to conventional synthetic fertilizers , which often contain harmful chemicals, our fertilizer is based on natural ingredients that improve soil fertility in the long term and promote growth in a sustainable way.

    Our organic hemp fertilizer not only ensures healthy growth during the growing season , but also protects the environment, as it leaves no harmful residues. It's also versatile—suitable for both indoor and outdoor cultivation, as well as in hydroponic systems .

    Another advantage is its ease of use : The liquid cannabis grow fertilizer can be mixed directly into the irrigation water without causing blockages in drip systems – a common problem with many other fertilizers.

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