Planting Materials: a Dizzying Array of Choices

Gardening has a vocabulary all its own, especially when it comes to the materials we use for planting and growing plants: dirt, soil, potting mix, planter mix, mulch, compost and many more. It can be pretty confusing, even for experienced green thumbs. To help, here’s a breakdown of some of the most common terms you’ll encounter along your gardening odysseys: Dirt is what you sweep out of your house or clean off the soles of your shoes. Soil is a complex mixture of minerals, organic matter (see definition below), water, air, living organisms including tiny insects and animals, bacteria, fungi, etc.