Farmers grow more than 50 million tons of sunflower seeds every year. The black ones end up in our bird feeders, as well as on our grocery store shelves as cooking oil. The striped ones mostly go ...

However, when Philip visited his mum to help in planting the seeds, based on his experience with sunflowers, he was really worried that seeds advertised as sunflower seeds for oil totally black bu ...

Black oil sunflower seed has very thin shells that weigh less and is easier for birds to break open to get to the oil-rich ...

which is made up of plant oils, rendered animal fats and recycled cooking oil collected from restaurants and food-service operations. With one year of sunflower harvesting under his belt ...