Vitax Organic Liquid Seaweed is a concentrated liquid extract, ideal for promoting the healthy growth of plants, flowers and vegetables. Regular use of Organic Liquid Seaweed will help plants withstand environmental stress, pest and disease attack. Use as a liquid root drench or foliar spray on flowers, fruit, vegetables, shrubs and trees. Apply: in the Spring and throughout the growing season. It should be applied throughout the growing season, from Spring onwards. The concentrated Liquid Seaweed should be diluted with water, mixed well and then applied via watering can, fine sprayer or hose end diluter.