CannaSelection®
Your grow begins below the surface.
We bring together coordinated products, grounded knowledge and practical tools. For living soil, healthy plants and a grow with a clear plan.
Living Soil
Living soil.
Strong plants.
Living Soil is a soil ecosystem of organic matter, soil organisms and roots. Explore the basics to get started, then tutorials on building, caring for and reusing your soil.
What is Living Soil? The basics explained
- Organic matter
Plant residues and organic inputs provide the foundation.
- Soil life
Microorganisms and soil animals break down the material.
- Nutrients
Released nutrients become available to the roots.
Living Soil Beginner Guides
All Living Soil foundations-
Dolomitic Lime, Calcite or Gypsum: Which Calcium Source Suits Your Living Soil?
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Watering Living Soil Correctly: The Complete Guide for Pots and Large Beds
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Mixing Your Own Living Soil: The Complete Recipe for Living Cannabis Soil
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How to properly water grow bags in living soil
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Living Soil Pot Size: Why True Living Soil Starts at ~40 Liters
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Building Living Soil Correctly: Mix, Structure, and the Difference Between Pot and Garden Bed
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Mulch in Living Soil – Why a Mulch Layer is Key to Healthy Soil
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Cover crops in Living Soil: sowing and care
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Living Soil Made Simple
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Living Soil Tutorials
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Is a Drainage Layer Necessary in an Indoor Bed? Why Coarse Layers at the Bottom of the Bed Often Create More Problems Than They Solve
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No-Till Living Soil: Why truly living soil does not restart after every run
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The Money Grab with Living Soil: Why Pre-made Pots, Buckets, and Fabric Pots Often Aren't True Living Soil
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Enzymes in Living Soil: Game-changer – or just a sign that your system isn't working?
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Top Dressing in Living Soil – how to properly replenish organic nutrients during flowering
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Mycorrhizae in Living Soil – how fungi help plants transport nutrients
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Canna Selection Organic Line – Shema Guideline
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Liquid microorganisms for organic soil: using MicroBio+
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Preparing existing soil for Living Soil with Living Soil Base
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EM compost tea – living soil care instead of classic fertilization
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Nutrient blockages – the underestimated danger in growing and how microbes prevent them
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Why dead substrate leads to dead results – and how you can revive it
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How beneficial bacteria make nutrients available to cannabis plants – The hidden power underground
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Our system for living soil
Clear roles instead of random additions. Explore our three core products, MicroBio+ as a microbial add-on and Cover Crop as a complementary component.
Understand Organic Line
View the starter set
Open the application guide
Mixing Your Own Living Soil: The Complete Recipe for Living Cannabis Soil
The starter set contains Living Soil Base, Mineral Charge, MicroBio+ and TopDress Bloom. Cover Crop is a separate addition.
Raw materials for your soil
Your mix. Your rules.
Build and replenish with purpose. Explore selected raw materials for your own soil mixes, re-amending and topdressing.
GrowLab
Knowledge that helps you grow.
We share expert knowledge, strain reviews and practical guides. Clear, independent and grounded in experience.
New in GrowLab
Coffee and Cannabis: A Cultural Connection with History
Coffee and cannabis share a history shaped by rituals, social gatherings and regional customs. From kif and tea in Morocco to the connections with Spain,...
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Rice Husks in Living Soil: Application, Limitations and Differences Compared to Perlite and Pumice
Rice hulls can aerate Living Soil mixes and be used as mulch. We explain their application and quantities, compare their properties with perlite and pumice,...
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Kelp and Algae Meal in Living Soil: Application, Dosage, and Common Mistakes
How to dose and use kelp meal in Living Soil. Learn what matters when mixing it into soil, applying it as a topdressing and reusing...
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Strains & Reviews
Understand the strain behind the name.
We connect strain knowledge with traceable genetics. Explore direct parent lines, family trees and differences between variants.
Explore strain profiles
DosiBow
Lineage: Moonbow 75 × Dosidos
View strain profileDark Rainbow
Lineage: GMO × Rainbow Belts F1
View strain profileTahiti Lime
Lineage: Moonbow #25 × Lemon Lime Line
View strain profileIchiban
Lineage: Toad Venom × Oishii
View strain profileStrain reviews from GrowLab
Product review
Hawaiian Rain X Permanent Marker Test: DEMECAN Craft Cali 29:01 Review
A current reference batch for terpene character and flavour. Minor deductions were made for moisture.
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Product review
Black Amber Test: avaay SIGNATURE 28/1 BA Review
Black Amber by avaay reviewed: striking appearance, clear batch information and a flavour that remains more subdued than expected.
Read strain reviewStrain profiles explain the genetics. Our strain reviews assess specific products and batches against defined criteria.
Read strain reviews
Grow Tools
Practical tools for your grow.
Our tools help you plan, analyse and take the next step. Simple, clear and free to use.
Grow Doctor
Narrow down symptoms and possible causes before taking action.
Check a problem
Nutrient Finder
Find raw materials and supplements that suit your soil.
Find inputs
Living Soil Navigator
Plan the next step in building and caring for your soil.
Plan your soil
CalMag Calculator
Assess your water values and calculate calcium and magnesium.
Check your water
Growing Systems & Strategies
Compare systems and working methods to find your setup.
Compare systemsLiving Soil Syndicate
Growing is better together.
We bring together people who share experiences and learn from one another. Explore our Living Soil community and join the conversation.
Explore the community
Scene & Community
Places to meet and connect.
Discover upcoming cannabis fairs, workshops and community gatherings from our events guide.
420 Comedy Cologne: Halloween Special
Halloween stand-up comedy at Grow am Rhein in Cologne-Porz. Find the venue address and directions by tram, suburban train or regional train.
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BEKIFFT Halloween at the Hemp Museum Berlin 2026
BEKIFFT’s Halloween edition at Berlin’s Hemp Museum on 31 October. Stand-up comedy, costumes and cannabis culture with a varied stage programme.
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Southern Germany Networking Meetup Stuttgart 2026
Free networking for growers, shops, clubs and businesses in Stuttgart on 31 October, 1–6 pm. Up to 50 places; registration required.
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