Mulch Guide - Stone

Mulch Guide - Stone

Appearance: Excellent
Insulation: Good; dark stone retains heat, light stone reflects
Cost: High
Thickness: 2-4 in.
Weed Control: Fair, except shale
Water Penetration: Good
Moisture Retention: Fair
Decomposition Speed: Extremely slow
Comments: Should be considered permanent mulch. Contributes some trace elements through leaching.

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