Despite their innate ability to source nutrients from soil, plants benefit hugely from a fertiliser boost. Top horticulturalists like Monty Don have championed the use of organic ingredients like seaweed-based feeds for prolific growth. According to the gardening expert: “A weekly feed high in potash that will help promote root and flower formation is ideal. “I find liquid seaweed or a propriety liquid tomato feed to work well. The secret is to give just enough, and not too much.” According to the Royal Horticultural Society, seaweed has been used as a soil improver for centuries, particularly…