Here’s how you can quickly feed flowers, vegetables, trees, and shrubs while watering: Miracle-Gro Garden Feeder. Comes pre-filled with Miracle-Gro Water Soluble All Purpose plant food. Simply attach the feeder to any garden hose and squeeze the trigger. Your plants get the nutrients they need. You get the convenience of simple, one-handed feeding. Fast, easy, and mess-free. Plus, it’s refillable, so it works with other Miracle-Gro Water Soluble plant foods.