#8 Gravel vs Compost
Side-by-side comparison of #8 Gravel and Compost to help you choose the right gravel for your project.
Overview
Small crushed stone approximately 3/8 to 1/2 inch in size. Good for walkways and as a top dressing for driveways. #8 gravel bridges the gap between coarse aggregates and fine pea gravel, offering a balance of comfort and stability.
Decomposed organic matter used as a soil amendment to improve soil structure, fertility, and water retention. Quality compost is dark, crumbly, and earthy-smelling. It adds beneficial microorganisms and nutrients that support healthy plant growth and improve poor soils.
Common Uses
#8 Gravel
- ✓ Walkways
- ✓ Patios
- ✓ Between pavers
- ✓ Asphalt mix
- ✓ Top dressing
- ✓ Drainage backfill
Compost
- ✓ Soil amendment
- ✓ Garden beds
- ✓ Lawn top-dressing
- ✓ Raised beds
- ✓ Tree and shrub planting
- ✓ Seed starting mix
Pros & Cons
#8 Gravel
- + Smaller size is more comfortable to walk on
- + Compacts better than larger stone
- + Good for filling gaps between pavers
- + Excellent drainage
- + Smooth driveway top-dressing
- − Can migrate without edging
- − Not as stable as larger crushed stone
- − May be tracked by shoes
- − Less commonly stocked than #57
- − Dusty when dry
Compost
- + Dramatically improves soil structure and fertility
- + Increases water retention in sandy soils
- + Improves drainage in clay soils
- + Adds beneficial microorganisms
- + Reduces need for chemical fertilizers
- − Quality and composition vary widely between sources
- − Can be odorous when fresh
- − May contain weed seeds if not fully composted
- − Too rich for direct planting — must be mixed with soil
- − Settles significantly after application
Cost Comparison
| Measure | #8 Gravel | Compost |
|---|---|---|
| Per ton | $22 – $40 | $15 – $40 |
| Per cubic yard | $28 – $50 | $20 – $50 |
Sizes & Colors
#8 Gravel
#8 gravel consists of angular crushed stone pieces from 3/8" to 1/2" in diameter. Like other crushed stone, color varies by source quarry — gray, blue-gray, tan, and brown are most common.
Compost
Fine, crumbly texture when fully decomposed. Dark brown to black color. Should smell earthy, not sour or ammonia-like. Screened compost has been filtered to remove large uncomposted pieces. Mushroom compost is a byproduct of mushroom farming and is particularly nutrient-rich.
Published February 11, 2026
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