Types of Garden Gravel: Pea Gravel, Crushed Stone and Decomposed Granite Compared by Drainage and Cost
Walk into any garden centre and you’ll find bags of gravel labelled by colour or sold by price alone. Most gardeners choose by appearance — which is where trouble begins. Gravel type determines how well water drains around plant roots, whether the mulch migrates on any slope, and whether the stone gradually shifts your soil pH toward alkaline over several …

