Although they do provide some nutrients, they’re not fertilizers ... sheep and horse and they can be bought in bags from garden centres or, if you’re lucky, direct from a farmer.

Instead of opting for expensive fertilizers from garden centres, it's worth trying a natural method that can work wonders for ...

SKIP AHEAD How I picked the best herb garden materials | The best seeds | The best plants | The best potting soils and fertilizers | The best planters and pot sets | The best tools and accessories ...