For someone like me who struggles with gardening, self-watering planters are a godsend. Sure, I know proper hydration is key to maintaining a thriving plant.
But it’s not always easy to know when to water and provide the appropriate amount of water for each plant. More so when I’m busy or away from home … let’s just say I come home to a lot of repotting and trimming of dead leaves.
On the flip side, I tend to overwater them to death, leading to root rot and all sorts of plant diseases.
Self-watering pots are a fabulous solution designed to ensure that plants receive just the right amount of water they need to grow and flourish.
How self-watering planters work
Self-watering planters are containers equipped with a built-in reservoir and a wicking system that draws water up to the plant’s roots on an as-needed basis. This convenient design effectively reduces the amount of attention required from the plant owner, while also providing a more consistent supply of moisture for the plant. As a result, plants nurtured in self-watering planters tend to be healthier and more resilient, even in the hands of less-experienced gardeners.
In any DIY self-watering planter, you’ll need:
- A wicking system to deliver water to the plant’s roots. The wick is usually made from absorbent material that connects the soil and the water reservoir.
- A water reservoir is usually a container located at the bottom of the planter pot to supply water for the plants. Preferably, this is an easy-to-refill container.
- Capillary action to draw water from the reservoir up the wick and into the soil. If the passive hydroponic setup is done correctly, this should work by itself. Nature’s magic.
DIY self-watering planters
There are self-watering pots of all shapes and sizes that you can get for your garden or for your tabletop, so why DIY?
For one, planter pots often lack aesthetic appeal, with many being rectangular boxes that are not ideal for use as indoor planters.
If you can upcycle a gorgeous vase into a plant pot with a self-contained watering system, why not? You can use any old plant pots, bottles, or bowls to DIY a self-watering planter, but if you can elevate it to another level with a carefully chosen vessel? You bet.
Adam, who runs a podcast on houseplants, chose the beautiful IKEA iridescent vase — RÄFFELBJÖRK for this decorative planter project. The mother-of-pearl vase is gorgeous enough, but with his lush trailing plants, it’s a decor moment. Let’s see how it’s done.
IKEA Vase for Passive Hydro: Beautiful and Easy Plant Care
IKEA item used:
- RÄFFELBJÖRK vase 7 ¾” tall (The IKEA RÄFFELBJÖRK vases come in 2 sizes. Get the smaller one too to make a pot set.)
Other materials:
- Net pot (3.5″ / 9cm diameter)
- Lechuza Pon (You can also use the ODLA, a clay growing medium from IKEA)
- Wicking cord
Step 1: Make a hole for the wick
The first thing is to measure the diameter of the vase opening and get net cups in the right size. Adam used two 3 1/2″ net pots. If the holes at the bottom of the net pot are too small, gouge a hole to allow the wick to thread through.
Step 2: Fill with pon
Adam filled the net pots with his favorite medium — Pon. Pon is a stone-like soil-free alternative to potting soil made from high-quality mineral rocks.
Step 3: Add plants
Make cuttings of suitable plants for the planter. Make holes in the pon and gently nest the cuttings into the medium. Adam chose two complementary plants for each end.
Step 4: Add water
Fill water into the IKEA vase but leave a gap between the bottom of the net pot and the water surface. The wicking cord should dangle into the water for capillary action to happen.
Read next: An IKEA item that’s surprisingly good for indoor climbing plants
And done! A passive hydroponic kit that works beautifully.
After 4 months, Adam reports the Silver Lacunosa is thriving. Algae formation is at a minimum, mostly along the wicking cord. He notes the algae does not stick to the surface of the vase which is good news for anyone wanting to hack a similar water-efficient planter.
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