Organic Mulch

Why Mulching Matters All 4 of Michigan’s Seasons

Tom Morgan, ISA Certified Arborist | Sep 01, 2026

Tags: Frost Damage, General, Landscape, Organic mulch

Supporting image for blog post: Why Mulching Matters All 4 of Michigan’s Seasons

Freshly mulched boxwood shrubs. | Tom Morgan, Owen Tree & Lawn Care

If you think mulch is just for keeping weeds down in summer, think again! Organic mulching does so much more - it protects your trees, shrubs, and soil throughout the entire year, especially during harsh Michigan winters.

Winter Can Be Tough on Your Trees

Cold weather doesn’t just make your trees look bare - it actually stresses them out. When temperatures drop, the cells inside needles and branches can get damaged, making it harder for trees to photosynthesize and grow in the spring. Young trees are the most at risk because their roots and bark aren’t fully developed yet.

Winter frost also affects your soil. As the ground freezes and thaws, soil structure breaks down. This process can make it harder for water to soak in properly and even pushes small roots upward, causing injury to young plants.

Mulch: Your Yard’s Winter Blanket

A layer of organic mulch acts like a cozy blanket for your soil. It insulates roots from temperature swings and helps keep soil moisture stable, even when the weather gets unpredictable. In fact, studies show that mulched soil freezes and thaws up to three times less often than bare soil.

Come spring, that same mulch continues to work hard. It reduces weed growth by blocking sunlight and keeps the soil warm and damp, giving your trees and shrubs a head start after a long winter.

Better Soil, Healthier Plants

As your mulch naturally breaks down, it enriches your soil with organic matter. This helps the ground hold water better, encourages root growth, and creates a more stable environment for plants year-round. Healthier soil means less stress for your landscape and stronger, more beautiful plants.

A Simple Step for Year-Round Landscape Health

Mulching isn’t just a summertime chore - it’s one of the easiest ways to care for your landscape plants all year long. By adding or refreshing mulch to maintain a 2-3” depth, you’ll reduce weeds, protect your plants from winter damage, and keep your landscape looking its best - no matter the weather.

If your landscape needs mulching before the winter, or just a touch up to your existing mulch, send us a message or give us a call today at 800-724-6680.

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