How to Refresh Old Mulch: Should You Remove It or Layer Over It?
Yes, you can put new mulch over old mulch when the existing layer is thin, loose, and still draining well. Do not keep stacking mulch if the bed already has 2 to 3 inches, feels compacted, smells sour, or has artillery fungus near siding, windows, or cars. The better refresh method is to rake and […]