Vitax Seaweed Plus Sequestered Iron 1Ltr is a liquid fertiliser that helps develop healthy foliage and prevents yellowing of leaves by correcting iron deficiency in plants. It can be applied throughout the growing season to revive lime-hating plants like Azaleas and Rhododendrons, and also helps 'green-up' lawns. This 1L concentrate makes 200 litres and can be applied as a drench or foliar treatment. It promotes healthy foliage and intense flower colour, making it versatile for gardens, ericaceous plants, fruit, perennials, shrubs, vegetables, and lawns.