Mulch Guide - Walnut Shells

Mulch Guide - Walnut Shells

Appearance: Excellent
Insulation: Good
Cost: Low where plentiful
Thickness: 1-2 in.
Weed Control: Good
Water Penetration: Good
Moisture Retention: Good
Decomposition Speed: Very slow
Comments: Will furnish good trace elements. Resists fire.

About this Author

GardenGuides.com