This sounds like one of those classic gardening tips that many swear by!

But it really depends on what exactly you sprinkle:

Coffee grounds, rock dust or compost: These are great, natural helpers. Coffee grounds provide roses with slightly acidic nitrogen, rock dust adds trace elements and compost permanently improves soil life.

Miracle cures and special fertilizers: Although advertising often promises that you “don’t have to do anything else”, the garden usually needs a little balance. Too much of one ingredient (such as pure lime or an overdose of minerals) can upset the balance in the soil.

What exactly do you sprinkle your roses and vegetables with? I’m curious