Do you have a container garden? Heres some tips for prepping those garden containers for spring planting. And yes, you can use last years potting mix again! My favorite is the Near Source Organics Delicate Roots Potting mix for Houseplants 1 Gallon Explore the Fascinating World of Araceae Plants! Arduino Soil Moisture Sensor LED Alert with Arduino Uno Eli the Computer Guy Why Are My Weed Plants Growing So Slow? ILGM Choosing the right pot size helps roots develop properly and prevents stress later. Matching plants to container volume makes watering and feeding much easier.