How to Build a Sub-Irrigated Planter to Grow Hemp



A quick guide on how to build a sub-irrigated planter, a plant container that can automatically water your hemp plants without the …

41 Comments

  1. Thank you for your wisdom. I really appreciate all you do for us. I'm considering making some of these. I'm wondering if adding an air stone to the water reservoir would be beneficial?

  2. Over the years I came to a simplified design. I just flll a bucket with clay pebbles an or charcoal and put a pot with holes or a tissue pot on top. After some time the roots go down the bucket. I even made a pot from newspaper together with some foil and string to hold the structure (probably not an issue if it is grown a sod and the roots hold it all together)

  3. What if did not use the weed fabric and cut a hole in the fabric pot then filled the pot with coco with perlite as a wick this would allow the roots to go into the res what anybodys thought?

  4. Are you feeding a liquid nutrient solution, or relying on the growing medium to supply nutrients for the duration of the grow? How would you go about using dry amendments like Gaia Green 4-4-4 and 2-8-4?

  5. Hey, very informative channel 🙂
    What about salt build-up? The reason you top-water coco and perlite substrate is that every time there is small run-off
    How are the results in the deep flowering time? Do plants stop drinking or continue to thrive?
    Is it a lazy method/pest control or yield maximiser?

  6. Would an air stone in the bottom bucket reservoir provide any additional benefit? I've got air pumps and stones to throw at it. Thanks for all of your posts, I think this growing option looks inexpensive and low stress.

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