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The ultimate mulching guide for a vibrant, well-maintained landscape

Mulching is more than just a finishing touch for landscaping—it’s a powerful tool for promoting soil health, encouraging plant growth, and boosting the visual appeal of outdoor spaces.

By contributor James O'Rourke
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Whether you’re tending to a backyard garden or managing a large commercial site, understanding how to mulch effectively can make a significant difference, according to Evergreen Outdoor Services. This guide explores the key benefits, types of mulch, and best application techniques for lasting results.

Why Mulching Matters

Mulch does much more than make your landscape look polished—it plays a vital role in maintaining a healthy outdoor environment. Some of its top advantages include:

  • Moisture Retention – By covering the soil, mulch minimizes evaporation, keeping the ground moist for longer and reducing the need for frequent watering.

  • Weed Suppression – A thick layer of mulch blocks sunlight, helping to minimize the spread of invasive weeds.

  • Temperature Regulation – Mulch acts like insulation, protecting plant roots by maintaining a more stable soil temperature throughout the year.

  • Erosion Control – It helps prevent soil displacement by shielding it from the effects of rain and wind.

  • Aesthetic Value – Neatly applied mulch brings a clean, cohesive look to gardens and landscapes, enhancing curb appeal.

Exploring Mulch Options

Mulch materials fall into two primary categories: organic and inorganic. Each serves specific purposes depending on your landscape goals.

Sourced from natural matter, these materials decompose over time, enriching the soil as they break down:

  • Bark Mulch – Long-lasting and visually pleasing, often used around trees and ornamental beds.

  • Wood Chips – Great for pathways and play areas due to their cushioning effect.

  • Straw – Highly effective in vegetable gardens for retaining moisture and improving soil condition.

  • Compost – A nutrient-rich choice that nourishes plants while aiding water retention.

These materials don’t decompose as quickly and are valued for their durability and low maintenance:

  • Rubber Mulch – A resilient option for playgrounds and high-use areas.

  • Stones or Gravel – Ideal for drainage-heavy zones or modern, minimalist landscapes.

  • Landscape Fabric – Commonly installed under other mulch types to suppress weeds without affecting water flow.

When choosing mulch, consider your climate, the specific plants involved, and how much upkeep you’re willing to do.

How to Apply Mulch Effectively

Applying mulch correctly ensures you get the most out of its many benefits. Follow these essential steps:

  • Prepare the Ground – Start by clearing weeds, leaves, and any debris from the area.

  • Use the Right Amount – Aim for a mulch depth of 2 to 4 inches. Too little won’t do the job, while too much can stifle plant roots.

  • Keep it Away from Stems – Avoid piling mulch against tree trunks or plant bases to prevent decay and pest issues.

  • Maintain Over Time – Organic mulch should be topped up annually to keep it functional and looking fresh.

  • Time it Right – Apply mulch in early spring to retain moisture before summer heat, and again in late fall to protect roots over winter.

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