Keeping balcony plants alive shouldn’t mean watering twice a day in July. Self-watering planters store water in a reservoir and wick it up as the soil dries, so your plants drink on their own schedule. After weeks of testing, these are the seven we’d actually buy.
| # | Product | Best for | Rating | Price |
|---|---|---|---|---|
| 1 | Lechuza Cubico ↗ | Overall | $59.99 | |
| 2 | HBServices Self-Watering Pot ↗ | Budget | $19.99 |
#1 Best Overall: Lechuza Cubico
Lechuza Cubico Self-Watering Planter
Price may vary. Check Amazon for current price. Check price on Amazon →The Lechuza Cubico pairs a generous reservoir with a water-level indicator, so you always know when to top it up. On a hot balcony it comfortably went a week between fills.
You water the reservoir, not the soil — which means deeper roots and far fewer dry spells.
Pros
- Large reservoir lasts up to two weeks
- Clear water-level gauge
- UV-stable, fade-resistant resin
Cons
- Pricier than basic pots
- Heavier when full
#2 Best Budget: HBServices Self-Watering Pot
HBServices Self-Watering Pot
Price may vary. Check Amazon for current price. Check price on Amazon →A no-frills reservoir pot that does the fundamentals well for a fraction of the price.
Pros
- Excellent value
- Lightweight and easy to move
Cons
- Smaller reservoir
- No water-level indicator
What to Look for in a Self-Watering Planter
Reservoir size
Bigger reservoirs mean longer gaps between watering — important on an exposed balcony.
Water-level indicator
A visible gauge takes the guesswork out of refills and prevents overwatering.
Material and UV resistance
Balcony planters live in direct sun. Look for UV-stable resin that won’t fade or crack.
Fill the reservoir, then check soil moisture after 7 days before topping up — most planters outlast your instinct to water.
Frequently Asked Questions
How often do self-watering planters need refilling?
Most go five to fourteen days between refills depending on reservoir size, plant, and heat.
Can any plant grow in a self-watering planter?
Most do well, but plants that prefer dry soil, like succulents and cacti, can be prone to overwatering.


