If you didn’t already know, seaweed fertilisers are one of the best plant fertilisers out there. In fact, some coastal growers harvest seaweed and use it in their gardens to enhance their crops. That’s if they are allowed to harvest seaweed from, often, privately-owned beaches.
So why are seaweed fertilisers popular for gardening? Despite being different from the typical structure of most fertilisers. Seaweed’s unique nutritional value works well, if not better, to encourage essential biological plant processes.