ᐅ Experience with using Kallax as a windowsill for plants in a conservatory or sunroom?

Created on: 22 Sep 2020 08:17
R
revin49
Hello everyone,
I am currently considering using IKEA’s Kallax shelves as a windowsill solution for my plants in my conservatory. My main question is: How durable and stable are these shelves under constant load from plant pots, some of which contain heavier soil and water?

I am also interested in how suitable the Kallax units are for plants due to their size and structure—that is, whether there is enough space for containers and how the air circulation underneath and around them works.

Another point is the surface: How easy is it to clean if soil or water spills?

Has anyone had experience using Kallax as a windowsill in a conservatory and can share insights regarding maintenance, stability, and suitability?

Looking forward to your feedback!
K
Katau
23 Sep 2020 10:50
Hello revin49,

your idea sounds practical, but I would also consider long-term factors. Kallax, as mentioned several times, is not completely waterproof. A protective coating, such as sealing with clear varnish, can help—especially if you are working with soil-based plants or if the area gets damp frequently.

If you want to make further improvements, you can also protect the edges with plant protection foil or something similar. This will increase durability.

Regarding stability: my advice is to secure the shelves to each other or fix them to the wall. Temperature fluctuations, especially in a conservatory, can affect the material.

And very importantly: make sure to ventilate regularly to prevent moisture issues and mold.

Good luck!
N
noge58
24 Sep 2020 08:31
Hey revin49,
I think it’s a really clever idea to use Kallax as a window sill for plants! 😃

I have a similar shelf in my conservatory, and I’m always happy to see my plants there and their nice sunny spot.

Kallax is sturdy enough for my plants, especially when the units are connected together. I use coasters under my plants so that water doesn’t get on the surface. That has worked really well!

My tip: I attached a waterproof film to the back to make the shelf a bit more water-resistant. I also set it up to allow some air circulation, which is great both for the plants and the furniture.

Keep it up, Kallax is super versatile! 🙂
P
pinpa
24 Sep 2020 10:05
Hello forum,

I find it really refreshing that someone is writing about using Kallax as a plant shelf here! 😄 I did the same inside my place, but with a few cool hacks: I started by placing felt pads under the pots – this trick not only makes the shelf water- and scratch-resistant but also allows you to easily slide the plants back and forth without much lifting.
FAZAR schrieb:
"Always on a level surface and fixed together."

I can only confirm that! If one corner is wobbly, you’ll quickly miss when watering.

And one more thing: If you want some color, just paint the surfaces with acrylic paint; it protects and looks neat.

Have fun with your green Kallax indoor garden project! 😉
S
Scarlett
24 Sep 2020 15:47
Hello revin49 and all plant enthusiasts,

I really appreciate that you are thinking about how to design your conservatory with Kallax shelves – that shows great dedication to your plants!
FLONE41 schrieb:
"I once had a similar shelf for my plants, [...] water sometimes spilled next to it."

I completely understand—these little slip-ups can happen easily, especially when you are caring for plants. What helped me was placing waterproof cloths or plastic mats underneath that are easy to clean.

I also think it’s important to address aesthetics. Kallax offers many design options, such as inserts or fabric boxes, which can make the conservatory feel even cozier. Have you considered that?

And yes, please make sure to protect the shelves from moisture and heavy loads.

I wish you the best of luck with your project and look forward to seeing more updates here!