Best Mulch for Moisture Retention & Weed Control: Pro Guide
The best mulch for moisture retention and weed control is 3-4 inches of organic material like wood chips, bark, or hemp. This depth reduces soil evaporation by up to 90%, blocks sunlight to suppress weed germination, and improves soil health as it decomposes. Always keep it 2-3 inches from plant stems. Read on to compare types and master application.