Phostrogen uses nitrogen to promote healthy green foliage. The Phosphate develops a strong and healthy root system, while the potash develops abundant flowers and fruit to help the plants become more drought and disease resistant. Phostrogen also provides the essential trace elements for plants; health and vitality.Enough Phostrogen plant food to fill 80 watering cans.Use Phostrogen on:General Garden and LawnContainers and BasketsFruit and VegetablesYoung Plants and Seedlings