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The Reference bank of growing systems, tips and techniques to get the most from our green hobby


The Basics

The simple basic facts about growing cannabis. It really isn't as difficult or complex as you might have read!

  • 39 topics
  • 239 replies
Advice - last post by blazerwill

Germination and Propagation

Cuts, grafts and seeds. Learn how to successfully start the journey.

  • 19 topics
  • 213 replies
Old seed germination sugges... - last post by lefty


The vegative phase of the cannabis lifecycle. Tips and techniques to make the most of this important stage of a plants life.

  • 6 topics
  • 39 replies
Vegging in doors for outdoo... - last post by Afton


The flowering phase, how to sex, tips on feeding and anything related to the flowering stage of the cannabis lifecyle.

  • 4 topics
  • 79 replies
14/10,. - last post by Highasyalike

Harvesting and Curing

Learn when and how to harvest your plants and how to cure the finished goodies to get the best out of all that hard work

  • 14 topics
  • 227 replies
The Importance of Matured C... - last post by Nonconformiest

AutoFlowering Cannabis

Tips, tricks and the lowdown on the fast developing world of Auto-flowering Cannabis Strains

  • 3 topics
  • 41 replies
flushing ya dope plants - last post by captain beefheart

Making Hash, Oils, Concentrates

How to turn your buds (and trim) into something special

  • 70 topics
  • 2,542 replies
Rosin? - last post by olmec

Advanced Growing Techniques

Learn and share advanced techniques and experiments for growing the 'erb

  • 18 topics
  • 266 replies
anyone any experience with... - last post by MDS

Grow Room Design and all things DIY.

Grow room designs and builds, home made hydro systems, lights, fan silencers, . You made it? It goes in here.

  • 110 topics
  • 2,373 replies
billys big box room bonanza - last post by no1

Growing Cannabis Outdoors

A place for people to learn and share about growing outdoors. Guerrilla Growing, Back Gardens, Greenhouses, Polytunnels and Sheds.

  • 17 topics
  • 348 replies
Greenhouse growers hints an... - last post by Dex

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Disclaimer: You must be over 18 years old to view/use this website. T-G-C.nl does not encourage growing cannabis or possessing cannabis, Learning how to grow cannabis is purely for educational purposes. All information on this website is strictly for: Historical reference, Scientific reference and educational purposes. Please check the laws in your own country as T-G-C.nl is in no way responsible for repercussions of accessing the website. All information is stored on a secure server in Amsterdam. We advise all visitors against breaking the law.