Sunken Greenhouse Tour 2020: Failures, Progress and Hope for the Future!

Sunken Greenhouse Tour 2020:  Failures, Progress and Hope for the Future!

Today I’m taking you on a tour of the Sunken Greenhouse Project. I’ll show you what we’ve been growing in the greenhouse, talk about what’s to come in this project and why I think it’s one of the biggest failures out of all of my projects. But don’t worry, it’s not all bad. There is plenty that I’m happy about with this greenhouse. And in time, I DO think it will be a successful endeavor!

Thanks for watching and let me know if you have any questions.

Automatic Vent Opener I showed in this video….

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Music sourced from the Youtube audio library and/or from… credits as follows….

Young (Hallman remix) by Chris Coral feat. Hallman
via Epidemic Sound (license/subscription via partnership with Studio71)

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Tags: homesteadonomics, greenhouse, sunken greenhouse, walipini, gardening, polycarbonate, greenhouse panels, underground, solar, solar fan, greenhouse vents, automative greenhouse vent, shade structure, greenhouse planting, garden tour, greenhouse tour, how to build a greenhouse




What do you think?


Written by Aleksandar

Video MakerContent AuthorYears Of Membership


  1. You are meticulous in your work. I was eager to see how the Sunken GH did. Is it too much sun or heat? Poor soil? Enough water? Why do you consider it a failure? Do you grow crops well elsewhere?
    Running to do other projects, will check back later when I have more time.

  2. I have a 12 x 5m gunite deep swimming pool not used. There is tree shading the deep end & the climate is moderate. Cape Town, South Africa. I thought to pop a roof over. Create an outdoor room/greenhouse (hydroponics). Thanks for inspiration. Will show roof guys your greenhouse.

  3. I could be wrong but wouldn't you get better results from just one big bed? Those plants in those containers don't have enough soil for the roots to grow in witch will stunt your plants from growing.

  4. Quick question…Looked through most of the comments and didn’t see any questions on how hot it gets in the summer. Do you need a significant amount of venting and air flow? I live in California and am thinking about doing this where I’m at. Do you advise against that? I’d probably put in some earth tubes and geothermal stuff to help keep it cool. Thank for sharing a great build and best of luck to you in the future!

  5. Regardless of missteps along the way, the greenhouse is fabulous, and you deserve big kudos for all your motivation, ingenuity, engineering, manual labor, fortitude, and perseverance. You should be proud of yourself, and feel very good about such a huge accomplishment.
    Damn this those packrats! I hate them!
    You are probably aware that they are more prevalent, and fertile, where there are large clusters of Prickly Pear Cactus. They consider the Cactus pads, to be ideal building material. But just in case you, or someone else watching, are not familiar with these pests, removing large stands of Prickly Pear Cactus, away from your living structures, will reduce their impact on your environment. And, the more rodents there are, the more snakes there are.
    Of course, if you're providing a food source, well then, that's a whole 'nother ballgame. 🤣
    Hope you're having a much more productive winter out there in Sahuarita. Your timing is perfect.

  6. We just bought 35 acres and starting our homestead from scratch and we really appreciate you sharing your learning experiences it definitely helps us as we have just built a 1200 sq ft greenhouse thanks for the info and keep the videos coming.

  7. This was great! I just binge watched the entire build. I am planning on starting this project in the spring and building one of these. Do you have a ball park on what the entire project might cost in materials…without having lots of scrap lumber around? I have plenty of stamina, big boy toys to dig, and much softer soil! Thanks for making this series of videos!

  8. I have read that using peppermint oil, cayenne pepper, or pepper cloves around the garden will make them ant to leave the area. Also you could sprinkle crushed peppers around the area.

  9. Flat polycarbonate sheets would eliminate the corrugated opening issues. Aluminum framing extrusions and 8mm polycarbonate used to be quite reasonable at commercial greenhouse supply companies.

  10. Hi, you are being too hard on yourself. Your greenhouse looks so well built. You have good ideas and you actually go out and build your ideas. I wish I had your skills and strength. Things happen and you just adjust and change. Now, I can’t wait to see your new projects.

  11. Something you may finds helps with your crops.
    Do a search on Utube for If you have not heard of him already.
    He claims, and shows proof that growing plants with beneficial fungi, can double their growth and virility.
    You may also find Polyurethane expanding foam useful. My son used it with chick wire mesh to keep mice out. Ram crumpled up mesh into gaps, and then foam to keep it in place, and keep bugs out as well.

  12. Getting that much infrastructure done in year #1 is great! Having a low roof is a good idea; safer to work on. Minor tweaks and I think it can be an excellent year #2! I have a south-facing slope off my house and think a stepped interior design like that with a low roof could work well for me. Nice!

  13. TIP: look at wicking tubs in 'Gardening with Leon'. You can preserve water and nutrients and get awesome yields.

    Your soil is way too shallow. Use mulch assist microclimate control of soil.

    See the geothermal shallow pipe greenhouse control system used in 'Growing oranges in the snow'. Works for heat and cold.

  14. in heard of European farmers; using sea Salt diluted 100:1gram of salt or 1000water: to 1 gram of Sea Salt; and because sea Salt has all the trace minerals you could want, you improve your quality of ground health to grow crops.

  15. Joe…A way to keep rodents out: Stuff the opening with coarse steel wool and then inject the steel wool with closed cell spray foam. The foam will hold the steel wool in place and the steel wool will keep the rodents from chewing through the foam. The closed cell foam will also keep water away from the steel wool to prevent rust. Just paint over spots where rodents test the foam. Regards,

  16. Thank you for sharing that too. It is important to cultivate error/failure resilience, and that is something that you are modelling here very well. I always enjoy your videos.

  17. I enjoyed the entire "Sunken Greenhouse" series. I wouldn't say you've had failures, just early attempts at success! In my view the whole thing is a success.

  18. Te agradezco y valoro tu trabajo. Por supuesto el proceso es más importante que el resultado. Permite ver los errores, los aciertos y disfrutar el camino. Gracias por tu aporte. ¡Salud desde Paraguay!


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