Generations of gardeners have added stones to their pots before topping up with compost, but does it really help? The problem Most old houseplant guides suggest adding a layer of gravel or stones to the bottom of the pot before adding compost. It is presented as basic good practice; the thing y...
Source: [Guardian International](https://www.theguardian.com/lifeandstyle/2026/jun/23/houseplant-hacks-gravel-bottom-pots-improve-drainage)