Mulch and garden covers for weed control, moisture retention, and soil protection in Bay Area gardens

Mulch & Covers

Block weeds, lock in moisture, protect roots, and keep your garden beds clean with the right mulch and protective covers.

One-sentence highlights: Mulch and garden covers help you block weeds, retain moisture, protect roots, and keep planting areas tidy—with less work week after week.

Why Mulch & Covers Matter (Especially in California)

In the Bay Area’s dry summers and windy microclimates, exposed soil dries out fast and weeds take advantage. A good mulch or cover layer helps:

  • Save water by reducing evaporation

  • Suppress weeds by blocking light

  • Protect roots from heat/cold swings

  • Improve soil over time (organic mulches break down into humus)

  • Keep beds cleaner by reducing mud splash and erosion
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Frequently asked questions

How thick should mulch be?
Most beds do best with 2–4 inches. Too thin won’t stop weeds; too thick can reduce airflow.

Should I use landscape fabric everywhere?
Best for long-term, low-maintenance areas (under decorative mulch/gravel). In veggie beds or areas you replant often, skip fabric and use compost + mulch instead.

Is mulch safe around drip irrigation?
Yes—mulch actually helps drip work better by slowing evaporation. Just don’t bury emitters too deep.

What’s better for weed control: mulch or fabric?
Mulch helps; fabric + mulch is strongest. But fabric can be annoying if you replant frequently.