4.3 out of 5 Customer Rating

Miracle-Gro® Water Soluble Bloom Booster Flower Food


20% off Valentine's Day Collection with code PLANTLOVE



Turn each of your annuals and perennials into its own conversation piece. With a formula that starts to work instantly and is safe for all plants, you can turn up the dial on volume and vibrancy.

Why We Love Them

More tends to always be better when it comes to flowers. This quick-dissolving flower food starts to feed instantly, producing more blooms, more color, and more beauty, compared to unfed plants.


  • NPK (15-30-15)
  • 1.5 pounds feeds approximately 600 sq. ft. with the Miracle-Gro® Garden Feeder.
  • For best results, use every 7-14 days during the growing season.
  • For all flowering annuals and perennials.
  • Ideal for containers and window boxes.

How to Use

Directions for outdoor plants:

  • To use the Miracle-Gro® Garden Feeder, first empty one feeding refill packet into the feeder canister, then attach the sprayer and attach your garden hose to the sprayer. Aiming the sprayer at the base of the plants you're feeding, squeeze the trigger. Water will fill up the canister, then spray onto your plants. You will cover 500 sq. ft. in about 12 minutes.
  • To use a watering can, mix 1 TBSP of Miracle-Gro® for every gallon of water.

Directions for indoor plants:

  • Mix 1/2 TSP per gallon of water.