Nature's Source® All Purpose Plant Food 10-4-3 32oz Concentrate Easy, economical, effective, perfect choice for the time-challenged home gardener looking for a more sustainable plant food. Foliar spray to boost your crops' nutrient efficiency. One formulation for everything your customers grow: flowers, trees, shrubs, vegetables and herbs. Concentrated formula is easy to mix and goes a long way - offering a great value. 1tbsp of Nature's Source makes 1gal of plant food. Liquid concentrate containing oilseed extract which is a renewable source of plant nutrition and feeds the soil too. Pathogen free - heavy metals free - GMO free. 10-4-3 - All Purpose plant food- Used by professionals Derived from oilseed extract, a renewable source of plant nutrition. Apply every 7-14 days throughout the growing season. Nature's Source is usable for both indoor and outdoor plants Economical - one teaspoon per gallon for houseplants and one tablespoon per gallon for garden and landscapes. This package contains 64 tablespoons Easy to mix and easy to use - Even with cold water!