PLACEHOLDER ARTICLE. This is sample copy to show how a gear guide looks. Product boxes below pull from src/data/products.json and use sample data. Replace or delete before launch.
Self-watering planters are the most useful upgrade for a sunny balcony, and the easiest to get wrong. The marketing all sounds the same, so here is what actually separates a good one from a soggy mess.
The short answer
If you only want one thing: pick a planter with a reservoir big enough to cover your longest absence, an overflow hole, and a fill tube you can reach without moving the plant.
What matters
Reservoir size
The reservoir sets how long you can leave it. Match it to your real routine, not the best case: a weekend away is a very different ask from a fortnight.
Weight when full
Balconies have limits. Check the full weight of planter, soil and a full reservoir, not just the empty planter weight on the listing.
Overflow and drainage
Heavy rain on an open balcony can swamp a reservoir. An overflow hole is not optional, and it should drain somewhere that will not annoy the neighbour below.
Who should skip them
If you grow mostly drought-tolerant herbs, or you are home every day and enjoy the watering ritual, a plain pot is cheaper and lighter. Self-watering planters earn their cost on thirsty crops like tomatoes and salad in summer.
Extending the season
Once watering is sorted, protecting plants from cold and wind is the next gain on a small balcony.
The bottom line
Buy for your routine and your weight limit, not the headline capacity. And always check the current price before you commit.