Brown Shredded Mulch vs Lava Rock
Side-by-side comparison of Brown Shredded Mulch and Lava Rock to help you choose the right gravel for your project.
Overview
Shredded bark and wood from trees like oak, hickory, and maple. Retains moisture, suppresses weeds, and regulates soil temperature. Decomposes slowly over time, adding organic matter to the soil. Adds a natural, finished look to landscape beds.
Lava rock is a lightweight, porous volcanic stone commonly used in landscaping. Its rough texture helps retain moisture while allowing airflow to plant roots.
Common Uses
Brown Shredded Mulch
- ✓ Landscape beds
- ✓ Tree rings
- ✓ Garden borders
- ✓ Erosion control
- ✓ Playground surfaces
- ✓ Slope stabilization
Lava Rock
- ✓ Landscaping
- ✓ Garden beds
- ✓ Decorative ground cover
Pros & Cons
Brown Shredded Mulch
- + Retains soil moisture reducing watering
- + Suppresses weed growth naturally
- + Insulates soil temperature
- + Decomposes to enrich soil over time
- + Attractive natural brown color
- − Needs replenishing every 1-2 years as it decomposes
- − Can attract termites if placed against structures
- − May temporarily rob nitrogen from soil as it breaks down
- − Floats and washes away in heavy rain
- − Can develop mold in overly wet conditions
Lava Rock
- + Very lightweight
- + Excellent moisture retention
- + Decorative appearance
- − Breaks down over time
- − Sharp edges
- − Can scatter easily
Cost Comparison
| Measure | Brown Shredded Mulch | Lava Rock |
|---|---|---|
| Per ton | $20 – $40 | $90 – $150 |
| Per cubic yard | $25 – $45 | $110 – $180 |
Sizes & Colors
Brown Shredded Mulch
Shredded strips of bark and wood, typically 1-4 inches long. Natural brown color that fades to gray over time. Double-shredded mulch is finer and mats together better, resisting wind and rain displacement.
Lava Rock
Typically 3/4"–1.5" sizes. Red or black.
Published February 11, 2026
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