Proper Mulching Techniques for Trees, Shrubs, and Perennials

General Guidelines

• Depth: Wood/pine chips ≤2 in; shredded leaves ≤2 in; pine straw 2–4 in.
• Coverage: Mulch wherever roots grow—at least to drip line, often beyond.
• Critical Rule: Pull mulch away from plant bases: 3 in for annuals/perennials, 6 in for woody plants. Never pile mulch against tree trunks.