Grow bigger, better flowers, vegetables, trees, shrubs, and houseplants compared to unfed plants with the help of Miracle-Gro LiquaFeed All Purpose Plant Food. Feeding is as easy as watering. Just use a Miracle-Gro LiquaFeed Feeder and apply to your plants every 1-2 weeks. This refill pack does not come with the LiquaFeed Advance Feeder or dosing spoon.