Dr Earth All Purpose Plant Food is an easiest way to feed and water your garden. Formulated to feed plants anytime of the year, both annual & perennials. Great all purpose plant food that can be used on flowers, vegetables, trees, shrubs, annuals & perennials. Size: 32 Oz; 1-1-1; Ready to spray; Formulated to feed plants anytime of the year, both annual & perennials; Great all purpose plant food that can be used on flowers, vegetables, trees, shrubs, annuals & perennials.