A flexible mat that's especially good for hanging baskets, biodegradable wool mulch, made from wool-manufacturing waste, keeps plants and soil properly hydrated. The fibers allow water to pass through, but absorb excess water to prevent root rot.
1. Ewe Mulch, from Appleseed Wool Corp., $180 per 5' x 150' roll.
2. Woolch, from Minnesota Lamb & Wool Producers, $79.95 per 5' x 80' roll.