IKEA Greenhouse cabinet build & thoughts

Converting IKEA cabinets into “greenhouses” has become a pretty prominent trend in the houseplant community. In mid-January, I climbed on the bandwagon. It’s a great and (relatively) affordable way to provide a high-light, high-humidity growing space that’s aesthetically pleasing. To be able to sit at my dining table every morning, drink my coffee, and see my plants all nicely lit up has been such a pleasure.

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Conditions: the cabinet has been consistently around 25-27 degrees during the daytime, cooling to around 20-22 at night, with 65-80% humidity depending on how recently the plants inside have been watered.

Details:

(I’m not going to add prices for everything, just some of the more relevant big items. Maybe when I’m not on my phone I’ll add in links)

The cabinet itself is an IKEA MILSBO tall ($229). I drilled a hole in the bottom to snake cords through. The cabinet comes with three glass shelves, but based on my plants’ sizes and lighting requirements I decided to only use one shelf to divide the cabinet into two compartments.
Each compartment has a computer fan (AC infinity Multifan - comes with two attached already so it was only one thing to plug in), a Monios-L T5 light fixture from Amazon ($42.99 each https://www.amazon.ca/Monios-L-Spectrum-Replacement-Integrated-Hydroponics/dp/B07QJXK6XD) hung using neodymium magnets, and a “rose gold” wire grid. These grids and accessories are great for hanging plants along the back wall. As these plants are closer to the lights, I picked higher-light plants like Hoya and Nepenthes to stay up there, getting around 500-800 foot candles while more sensitive Aroids stay at the bottom, getting 300-400 at first but more as they grow. I know foot candles aren’t perfectly accurate, but I do not have a PAR meter at my disposal. I did specifically choose these lights based on my plant placement plans and the manufacturer’s PPFD diagram. I do think my Nepenthes ‘Viking’ miiiiiight be getting a bit too much, though.

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To maintain humidity inside the cabinet, I applied weatherstripping foam to the doors. I don’t want the air inside to get stagnant, even with the fans, so I make sure to open the cabinet multiple times per day. I want to look at the plants anyways!
I run the lights on a manual switch timer from 6am to 11pm. Maybe a bit much? It’s not distracting when around at night, though. I did take one of the reflectors from the top light and secure it to the front to double up to further shield the LED from view while seated on the couch nearby. I’m using a manual timer because getting a smart timer to work with my “smart wifi” is a pain and sometimes I *don’t* want to use apps for everything.


As it’s only been a month, I can’t say too much about the results of the cabinet, but all of the plants inside are putting out new growth. Larger growth, too. I’m pretty happy with how things are now, though I could probably try to hide the cables for aesthetic reasons. I might try using extra strong suction cup hooks or magnetic hooks to hang more small Nepenthes on the sides of the cabinet.

Labelled plants:
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That’s it, I think! I had a lot of fun making this and hope to do more projects like this in the future, probably with a used cabinet from Facebook Marketplace or something.
 
IKEA makes greenhouse cabinets?! Amazing!

Also, awesome Hoya plants!

I see you have a few Philodendron plants. I too have some. Interesting genus.
 
Well, they make display cabinets - but they can be easily converted to greenhouses :) Popular choices are the MILSBO, DETOLF, FABRIKOR, KLINGSBO, and RUDSTA cabinets. A local plant friend has made a few YouTube videos showing how she’s put together various cabinet greenhouses. Some of the wider, shorter cabinets have a lot of potential with some really strong LEDs on top and higher-light carnivorous plants on upper shelves/hanging/raised somehow. A friend does this with Cephalotus above and Nepenthes below.

Thank you! Definitely a cool genus - what are some of your favourites? Some have the potential to get way larger than I have the room for... but they’re still fun for now!
 
I really like your setup. The build looks very clean. Good choice on adding fans and using weatherstripping to seal in the humidity. I use weatherstripping but to create a seal around my apartment door so less noise comes in from the hallways haha. Does the interior material of the cabinets seem water and humidity proof?
 
Thank you! Very clever. I honestly hadn’t heard of weatherstripping before this (I guess I don’t have a lot of experience in home improvement projects etc) so now it’s opened up a whole new world. The neodymium magnets, too - so cool and allowed me to use other metal shelving in new ways.

Yes, it’s all glass and coated metal. There are people who fully put actual humidifiers in the cabinet and still don’t experience rust issues, so I think it’s fine in that respect.
 
I quite like my Philodendron patriciae. However if you still count it in the Philodendron genus, I'll always have a soft spot in my heart for Thaumatophyllum bipinnatifidum. I grew up with those in my parents' yard and they are still evocative of great childhood memories.
 
Thanks!

Haha, I definitely have an “aesthetically challenged” grow tent too and plan on getting another. But that’s in my office and it’s getting cramped. My non-plant-inclined fiancé much prefers the look of pretty cabinet if it’s going to be in our general living space.
 
There's a new Ikea cabinet that could be nice for plants.
 
There's a new Ikea cabinet that could be nice for plants.

Looks awesome. The metal back has a ton of potential for magnetic hooks!
 
There's a new Ikea cabinet that could be nice for plants.
It might be better to get a white cabinet for plants, since the white color reflect more ligth. The black is nice but would probably absorb too much light?
 
So glad someone did one of these for carnivorous plants! I had been doing a bit of research on them, but didn't see too many that had CPs in them.

I was wondering if you had any issues with water leaking out given the humidity requirements of these guys? As well, you mentioned no build up of rust - did you do any rust proofing or see anyone recommend that during your research process?

Thanks! Super cool set-up and I might have to just bite the bullet and build my own now too :)
 
So glad someone did one of these for carnivorous plants! I had been doing a bit of research on them, but didn't see too many that had CPs in them.

I was wondering if you had any issues with water leaking out given the humidity requirements of these guys? As well, you mentioned no build up of rust - did you do any rust proofing or see anyone recommend that during your research process?

Thanks! Super cool set-up and I might have to just bite the bullet and build my own now too :)

Thanks! There’s definitely not too much out there on keeping CPs in these but they do have a lot of potential as growing environments that are nice to display. In another group I’m in, someone used the wide version of the metal-backed RUDSTA to make a highland chamber. The metal backing was easy for him to drill large holes into for the tubing for cooling etc.

So far, I haven’t had any rusting issues. The only rust-proofing I did was around the edges of the hole I drilled in the bottom of the cabinet for cords to go through. From what I’ve read, generally that’s the most anyone does. I haven’t faced any water leaking also but I’m generally careful when I water plants in there. I think this would potentially be a concern if you had a humidifier in the cabinet that created condensation on the glass.

Definitely give it a shot! It’s a fun project. The MILSBO cabinets usually run out by the end of the same day when they’re restocked here in Edmonton. So, if you’re picky about the cabinet you want to use you may need to turn on text notifications haha.
 
Thanks! There’s definitely not too much out there on keeping CPs in these but they do have a lot of potential as growing environments that are nice to display. In another group I’m in, someone used the wide version of the metal-backed RUDSTA to make a highland chamber. The metal backing was easy for him to drill large holes into for the tubing for cooling etc.

So far, I haven’t had any rusting issues. The only rust-proofing I did was around the edges of the hole I drilled in the bottom of the cabinet for cords to go through. From what I’ve read, generally that’s the most anyone does. I haven’t faced any water leaking also but I’m generally careful when I water plants in there. I think this would potentially be a concern if you had a humidifier in the cabinet that created condensation on the glass.

Definitely give it a shot! It’s a fun project. The MILSBO cabinets usually run out by the end of the same day when they’re restocked here in Edmonton. So, if you’re picky about the cabinet you want to use you may need to turn on text notifications haha.

Thanks for the response and that's awesome someone made a highland chamber out of one! I was looking at the RUDSTA as well to make use of the magnetic back, but I wonder if it would get overly warm with T5 bulbs.

Anyway, thanks for your answers, it's contributed a lot to my research process on this build :)
 
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