Miracle-Gro All Purpose 50-Quart All-purpose Potting Soil MixYour plants want to show Off. Give indoor and outdoor container plants the right ingredients to grow bigger and more beautiful with Miracle Gro potting mix. Our specially formulated mix feeds for up to 6 months for more blooms and more color (vs unfed plants). Use with indoor and outdoor container plants. Grows plants twice as big. Grows plants twice as big (versus unfed plants) Feeds up to 6 months More blooms for more color (versus unfed plants) For