Miracle-Gro LiquaFeed All Purpose Plant Food Advance Starter Kit For all flowers, vegetables, trees, shrubs, and houseplants. Feed every 2 weeks. Starter kit contains garden feeder, one 16 fl oz bottle of LiquaFeed All Purpose Plant Food and one dosing spoon. The easy-to-use dosing spoon allows product to be used with a watering can. Use with confidence in-ground and in containers.