Pine/Spruce Mulch

Wood chips

Asphalt/Brick/Concrete 1.5" minus hardening

3/4" Bluestone

All natural compost ( see soil test here)

Loam- 1/2" minus native topsoil

Peastone- 3/8" Native stone

Stone- 3/4" Native stone

T-Base- Recycled asphalt 3" minus or 1.5" minus hardening