Social media suggests that the combination is a superfood for tired plants. The reality is mould, gnats and the sour smell of rot Social media suggests that the combination is a superfood for tired plants. The reality is mould, gnats and the sour smell of rot The problem Once you tumble down a houseplant rabbit hole online, suddenly everything in your kitchen starts to look like fertiliser. Using oats and Epsom salts sounds wholesome, thrifty; breakfast for you, breakfast for your plants. But